diff --git a/HandyControl/Controls/Input/DatePicker.cs b/HandyControl/Controls/Input/DatePicker.cs
new file mode 100644
index 00000000..993541ec
--- /dev/null
+++ b/HandyControl/Controls/Input/DatePicker.cs
@@ -0,0 +1,113 @@
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+using System.Windows.Input;
+using HandyControl.Data;
+using HandyControl.Interactivity;
+
+namespace HandyControl.Controls
+{
+    /// <inheritdoc cref="IDataInput" />
+    [TemplatePart(Name = ElementTextBox, Type = typeof(DatePickerTextBox))]
+    public class DatePicker : System.Windows.Controls.DatePicker, IDataInput
+    {
+        private const string ElementTextBox = "PART_TextBox";
+
+        private System.Windows.Controls.TextBox _textBox;
+
+        public DatePicker()
+        {
+            CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
+            {
+                ClearValue(SelectedDateProperty);
+                ClearValue(TextProperty);
+            }));
+        }
+
+        public override void OnApplyTemplate()
+        {
+            if (_textBox != null)
+            {
+                _textBox.TextChanged -= TextBox_TextChanged;
+            }
+
+            base.OnApplyTemplate();
+
+            _textBox = GetTemplateChild(ElementTextBox) as System.Windows.Controls.TextBox;
+            if (_textBox != null)
+            {
+                _textBox.TextChanged += TextBox_TextChanged;
+            }
+        }
+
+        private void TextBox_TextChanged(object sender, TextChangedEventArgs e) => VerifyData();
+
+        public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
+
+        public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
+            "IsError", typeof(bool), typeof(DatePicker), new PropertyMetadata(ValueBoxes.FalseBox));
+
+        public bool IsError
+        {
+            get => (bool) GetValue(IsErrorProperty);
+            set => SetValue(IsErrorProperty, value);
+        }
+
+        public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
+            "ErrorStr", typeof(string), typeof(DatePicker), new PropertyMetadata(default(string)));
+
+        public string ErrorStr
+        {
+            get => (string) GetValue(ErrorStrProperty);
+            set => SetValue(ErrorStrProperty, value);
+        }
+
+        public static readonly DependencyProperty TextTypeProperty = DependencyProperty.Register(
+            "TextType", typeof(TextType), typeof(DatePicker), new PropertyMetadata(default(TextType)));
+
+        public TextType TextType
+        {
+            get => (TextType) GetValue(TextTypeProperty);
+            set => SetValue(TextTypeProperty, value);
+        }
+
+        public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
+            "ShowClearButton", typeof(bool), typeof(DatePicker), new PropertyMetadata(ValueBoxes.FalseBox));
+
+        public bool ShowClearButton
+        {
+            get => (bool) GetValue(ShowClearButtonProperty);
+            set => SetValue(ShowClearButtonProperty, value);
+        }
+
+        public virtual bool VerifyData()
+        {
+            OperationResult<bool> result;
+
+            if (VerifyFunc != null)
+            {
+                result = VerifyFunc.Invoke(Text);
+            }
+            else
+            {
+                if (!string.IsNullOrEmpty(Text))
+                {
+                    result = OperationResult.Success();
+                }
+                else if (InfoElement.GetNecessary(this))
+                {
+                    result = OperationResult.Failed(Properties.Langs.Lang.IsNecessary);
+                }
+                else
+                {
+                    result = OperationResult.Success();
+                }
+            }
+
+            IsError = !result.Data;
+            ErrorStr = result.Message;
+            return result.Data;
+        }
+    }
+}
\ No newline at end of file
diff --git a/HandyControl/Controls/Input/PasswordBox.cs b/HandyControl/Controls/Input/PasswordBox.cs
index 22e2168f..392fda2e 100644
--- a/HandyControl/Controls/Input/PasswordBox.cs
+++ b/HandyControl/Controls/Input/PasswordBox.cs
@@ -11,6 +11,7 @@ using HandyControl.Properties.Langs;
 namespace HandyControl.Controls
 {
     /// <inheritdoc cref="IDataInput" />
+    [TemplatePart(Name = ElementPasswordBox, Type = typeof(System.Windows.Controls.PasswordBox))]
     public class PasswordBox : Control, IDataInput
     {
         private const string ElementPasswordBox = "PART_PasswordBox";
diff --git a/HandyControl/HandyControl.csproj b/HandyControl/HandyControl.csproj
index 52f78b16..11a33412 100644
--- a/HandyControl/HandyControl.csproj
+++ b/HandyControl/HandyControl.csproj
@@ -53,6 +53,7 @@
     <Compile Include="Controls\Growl.cs" />
     <Compile Include="Controls\ImageViewer.cs" />
     <Compile Include="Controls\Input\ComboBox.cs" />
+    <Compile Include="Controls\Input\DatePicker.cs" />
     <Compile Include="Controls\Input\IDataInput.cs" />
     <Compile Include="Controls\Input\PasswordBox.cs" />
     <Compile Include="Controls\Input\TextBox.cs" />
diff --git a/HandyControl/Themes/Styles/Base/ComboBoxBaseStyle.xaml b/HandyControl/Themes/Styles/Base/ComboBoxBaseStyle.xaml
index fd89b9ec..ac64b1b1 100644
--- a/HandyControl/Themes/Styles/Base/ComboBoxBaseStyle.xaml
+++ b/HandyControl/Themes/Styles/Base/ComboBoxBaseStyle.xaml
@@ -29,6 +29,9 @@
                         <Trigger Property="IsChecked" Value="True">
                             <Setter Property="Data" TargetName="arrow" Value="{StaticResource UpGeometry}"/>
                         </Trigger>
+                        <Trigger Property="IsEnabled" Value="False">
+                            <Setter Property="Opacity" Value=".4"/>
+                        </Trigger>
                     </ControlTemplate.Triggers>
                 </ControlTemplate>
             </Setter.Value>
@@ -45,17 +48,21 @@
             <Setter.Value>
                 <ControlTemplate TargetType="ToggleButton">
                     <Grid>
-                        <Border x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="true">
-                            <Border Margin="0,0,6,0" x:Name="splitBorder" BorderBrush="Transparent" BorderThickness="1" HorizontalAlignment="Right" SnapsToDevicePixels="true" Width="{StaticResource {x:Static SystemParameters.VerticalScrollBarWidthKey}}">
-                                <Path x:Name="arrow" Data="{StaticResource DownGeometry}" Stretch="Uniform" Fill="{TemplateBinding BorderBrush}" HorizontalAlignment="Center" Margin="0" VerticalAlignment="Center" RenderTransformOrigin="0.5,0.5"/>
-                            </Border>
-                        </Border>
-                        <TextBlock VerticalAlignment="{Binding VerticalContentAlignment,RelativeSource={RelativeSource FindAncestor,AncestorType=ComboBox}}" Margin="8,7,8,8" Visibility="{Binding Text,RelativeSource={RelativeSource FindAncestor,AncestorType=ComboBox},Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource FindAncestor,AncestorType=ComboBox}}"/>
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition/>
+                            <ColumnDefinition Width="30"/>
+                        </Grid.ColumnDefinitions>
+                        <Border x:Name="templateRoot" Grid.ColumnSpan="2" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="true"/>
+                        <Path Grid.Column="1" x:Name="arrow" Data="{StaticResource DownGeometry}" Stretch="Uniform" Fill="{TemplateBinding BorderBrush}" HorizontalAlignment="Center" Margin="7" VerticalAlignment="Center" RenderTransformOrigin="0.5,0.5"/>
+                        <TextBlock Grid.Column="0" VerticalAlignment="{Binding VerticalContentAlignment,RelativeSource={RelativeSource FindAncestor,AncestorType=ComboBox}}" Margin="8,7,8,8" Visibility="{Binding Text,RelativeSource={RelativeSource FindAncestor,AncestorType=ComboBox},Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource FindAncestor,AncestorType=ComboBox}}"/>
                     </Grid>
                     <ControlTemplate.Triggers>
                         <Trigger Property="IsChecked" Value="True">
                             <Setter Property="Data" TargetName="arrow" Value="{StaticResource UpGeometry}"/>
                         </Trigger>
+                        <Trigger Property="IsEnabled" Value="False">
+                            <Setter Property="Opacity" Value=".4"/>
+                        </Trigger>
                     </ControlTemplate.Triggers>
                 </ControlTemplate>
             </Setter.Value>
@@ -109,6 +116,9 @@
             <Trigger Property="IsOpen" Value="True" SourceName="PART_Popup">
                 <Setter Property="BorderBrush" Value="{DynamicResource PrimaryBrush}"/>
             </Trigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" Value="0.4"/>
+            </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
@@ -167,6 +177,10 @@
             <Trigger Property="IsOpen" Value="True" SourceName="PART_Popup">
                 <Setter Property="BorderBrush" Value="{DynamicResource PrimaryBrush}"/>
             </Trigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" Value="0.4" TargetName="toggleButton"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter"/>
+            </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
@@ -222,6 +236,10 @@
             <Trigger Property="IsOpen" Value="True" SourceName="PART_Popup">
                 <Setter Property="BorderBrush" Value="{DynamicResource PrimaryBrush}"/>
             </Trigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" Value="0.4" TargetName="toggleButton"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter"/>
+            </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
@@ -300,6 +318,9 @@
             <Trigger Property="IsFocused" Value="True" SourceName="PART_EditableTextBox">
                 <Setter Property="BorderBrush" Value="{DynamicResource PrimaryBrush}"/>
             </Trigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" Value="0.4"/>
+            </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
@@ -331,7 +352,7 @@
                 </Border>
             </Popup>
             <ToggleButton Grid.Row="1" Grid.Column="0" x:Name="toggleButton" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.ColumnSpan="2" IsChecked="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ComboBoxToggleButton}"/>
-            <TextBlock Margin="8,7,8,8" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Grid.Column="0" Grid.Row="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
+            <TextBlock x:Name="Placeholder" Margin="8,7,8,8" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Grid.Column="0" Grid.Row="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
             <Border Grid.Row="1" Grid.Column="0" x:Name="border" Background="Transparent" Margin="4,1">
                 <TextBox Padding="2,6,2,7" x:Name="PART_EditableTextBox" Background="{TemplateBinding Background}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" IsReadOnly="{Binding IsReadOnly, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ComboBoxEditableTextBox}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
             </Border>
@@ -368,6 +389,11 @@
             <Trigger Property="IsFocused" Value="True" SourceName="PART_EditableTextBox">
                 <Setter Property="BorderBrush" Value="{DynamicResource PrimaryBrush}"/>
             </Trigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" Value="0.4" TargetName="toggleButton"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="Placeholder"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="border"/>
+            </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
@@ -396,7 +422,7 @@
                 </Border>
             </Popup>
             <ToggleButton Grid.Column="1" x:Name="toggleButton" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.ColumnSpan="2" IsChecked="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ComboBoxToggleButton}"/>
-            <TextBlock Margin="8,7,8,8" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Grid.Column="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
+            <TextBlock x:Name="Placeholder" Margin="8,7,8,8" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Grid.Column="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
             <Border Grid.Column="1" x:Name="border" Background="Transparent" Margin="4,1">
                 <TextBox Padding="2,6,2,7" x:Name="PART_EditableTextBox" Background="{TemplateBinding Background}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" IsReadOnly="{Binding IsReadOnly, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ComboBoxEditableTextBox}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
             </Border>
@@ -433,6 +459,11 @@
             <Trigger Property="IsFocused" Value="True" SourceName="PART_EditableTextBox">
                 <Setter Property="BorderBrush" Value="{DynamicResource PrimaryBrush}"/>
             </Trigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" Value="0.4" TargetName="toggleButton"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="Placeholder"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="border"/>
+            </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
@@ -495,9 +526,6 @@
                 <Setter Property="IsTabStop" Value="false"/>
                 <Setter Property="Template" Value="{StaticResource ComboBoxEditableTemplate}"/>
             </Trigger>
-            <Trigger Property="IsEnabled" Value="false">
-                <Setter Property="Opacity" Value="0.4"/>
-            </Trigger>
         </Style.Triggers>
     </Style>
 
@@ -627,6 +655,10 @@
                     <BeginStoryboard Storyboard="{StaticResource StoryboardHidden}"/>
                 </Trigger.ExitActions>
             </Trigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" Value="0.4" TargetName="toggleButton"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter"/>
+            </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
@@ -722,6 +754,10 @@
                     <BeginStoryboard Storyboard="{StaticResource StoryboardHidden}"/>
                 </Trigger.ExitActions>
             </Trigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" Value="0.4" TargetName="toggleButton"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="contentPresenter"/>
+            </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
@@ -762,7 +798,7 @@
             </Popup>
             <TextBlock Grid.Column="0" Grid.ColumnSpan="2" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="8,0,0,4" Foreground="{DynamicResource DangerBrush}" Grid.Row="1"/>
             <ToggleButton Grid.Row="1" Grid.Column="0" x:Name="toggleButton" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.ColumnSpan="2" IsChecked="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ComboBoxToggleButton}"/>
-            <TextBlock Margin="8,7,8,8" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Grid.Column="0" Grid.Row="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
+            <TextBlock x:Name="Placeholder" Margin="8,7,8,8" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Grid.Column="0" Grid.Row="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
             <Border Grid.Row="1" Grid.Column="0" x:Name="border" Background="Transparent" Margin="4,1">
                 <TextBox Padding="2,6,2,7" x:Name="PART_EditableTextBox" Background="{TemplateBinding Background}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" IsReadOnly="{Binding IsReadOnly, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ComboBoxEditableTextBox}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
             </Border>
@@ -844,6 +880,11 @@
                     <BeginStoryboard Storyboard="{StaticResource StoryboardHidden}"/>
                 </Trigger.ExitActions>
             </Trigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" Value="0.4" TargetName="toggleButton"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="Placeholder"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="border"/>
+            </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
@@ -881,7 +922,7 @@
             </Popup>
             <TextBlock Grid.Column="1" Grid.ColumnSpan="2" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="8,0,0,4" Foreground="{DynamicResource DangerBrush}"/>
             <ToggleButton Grid.Column="1" x:Name="toggleButton" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.ColumnSpan="2" IsChecked="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ComboBoxToggleButton}"/>
-            <TextBlock Margin="8,7,8,8" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Grid.Column="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
+            <TextBlock x:Name="Placeholder" Margin="8,7,8,8" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Grid.Column="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
             <Border Grid.Column="1" x:Name="border" Background="Transparent" Margin="4,1">
                 <TextBox Padding="2,6,2,7" x:Name="PART_EditableTextBox" Background="{TemplateBinding Background}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" IsReadOnly="{Binding IsReadOnly, RelativeSource={RelativeSource TemplatedParent}}" Style="{StaticResource ComboBoxEditableTextBox}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
             </Border>
@@ -963,6 +1004,11 @@
                     <BeginStoryboard Storyboard="{StaticResource StoryboardHidden}"/>
                 </Trigger.ExitActions>
             </Trigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" Value="0.4" TargetName="toggleButton"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="Placeholder"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="border"/>
+            </Trigger>
         </ControlTemplate.Triggers>
     </ControlTemplate>
 
diff --git a/HandyControl/Themes/Styles/Base/DatePickerBaseStyle.xaml b/HandyControl/Themes/Styles/Base/DatePickerBaseStyle.xaml
index d36a7acc..125bc1ae 100644
--- a/HandyControl/Themes/Styles/Base/DatePickerBaseStyle.xaml
+++ b/HandyControl/Themes/Styles/Base/DatePickerBaseStyle.xaml
@@ -1,6 +1,8 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                    xmlns:controls="clr-namespace:HandyControl.Controls">
+                    xmlns:controls="clr-namespace:HandyControl.Controls"
+                    xmlns:system="clr-namespace:System;assembly=mscorlib"
+                    xmlns:interactivity="clr-namespace:HandyControl.Interactivity">
 
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="../../Basic/Converters.xaml"/>
@@ -80,4 +82,279 @@
         </Setter>
     </Style>
 
+    <ControlTemplate x:Key="DatePickerExtendTopTemplate" TargetType="DatePicker">
+        <Grid>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}"/>
+            </Grid.RowDefinitions>
+            <StackPanel Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="7,4">
+                <TextBlock Margin="2,0,0,0" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+            </StackPanel>
+            <Border Grid.Row="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{DynamicResource BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
+                <Grid x:Name="PART_Root" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="*"/>
+                        <ColumnDefinition Width="30"/>
+                    </Grid.ColumnDefinitions>
+
+                    <Button Style="{StaticResource ButtonIcon}" Padding="7" controls:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0"/>
+                    <DatePickerTextBox x:Name="PART_TextBox" Foreground="{TemplateBinding Foreground}" Grid.Column="0" Padding="5,6" Margin="0,0,0,1" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
+                    <Popup Grid.Column="0" VerticalOffset="1" x:Name="PART_Popup" PopupAnimation="Fade" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=PART_TextBox}" StaysOpen="False"/>
+                </Grid>
+            </Border>
+        </Grid>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
+            </Trigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
+                    <Condition Property="IsOpen" Value="false" SourceName="PART_Popup"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource SecondaryBorderBrush}"/>
+            </MultiTrigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
+                    <Condition Property="IsOpen" Value="true" SourceName="PART_Popup"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </MultiTrigger>
+            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+            <Trigger Property="IsOpen" Value="True" SourceName="PART_Popup">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+
+    <ControlTemplate x:Key="DatePickerExtendLeftTemplate" TargetType="DatePicker">
+        <Grid Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="{Binding Path=(controls:InfoElement.TitleWidth),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ColumnDefinition/>
+            </Grid.ColumnDefinitions>
+            <StackPanel Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,8">
+                <TextBlock Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+            </StackPanel>
+            <Border Grid.Column="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{DynamicResource BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
+                <Grid x:Name="PART_Root" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="*"/>
+                        <ColumnDefinition Width="30"/>
+                    </Grid.ColumnDefinitions>
+
+                    <Button Style="{StaticResource ButtonIcon}" Padding="7" controls:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0"/>
+                    <DatePickerTextBox x:Name="PART_TextBox" Foreground="{TemplateBinding Foreground}" Padding="5,6" Margin="0,0,0,1" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
+                    <Popup Grid.Column="0" VerticalOffset="1" x:Name="PART_Popup" PopupAnimation="Fade" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=PART_TextBox}" StaysOpen="False"/>
+                </Grid>
+            </Border>
+        </Grid>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
+            </Trigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
+                    <Condition Property="IsOpen" Value="false" SourceName="PART_Popup"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource SecondaryBorderBrush}"/>
+            </MultiTrigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
+                    <Condition Property="IsOpen" Value="true" SourceName="PART_Popup"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </MultiTrigger>
+            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+            <Trigger Property="IsOpen" Value="True" SourceName="PART_Popup">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+
+    <Style x:Key="DatePickerExtendBaseStyle" BasedOn="{StaticResource DatePickerBaseStyle}" TargetType="DatePicker">
+        <Setter Property="Height" Value="{x:Static system:Double.NaN}"/>
+        <Setter Property="Padding" Value="7,6"/>
+        <Setter Property="controls:InfoElement.Symbol" Value="●"/>
+        <Setter Property="Template" Value="{StaticResource DatePickerExtendTopTemplate}"/>
+        <Style.Triggers>
+            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+                <Setter Property="Template" Value="{StaticResource DatePickerExtendLeftTemplate}"/>
+                <Setter Property="Width" Value="{x:Static system:Double.NaN}"/>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
+    <ControlTemplate x:Key="DatePickerPlusTopTemplate" TargetType="controls:DatePicker">
+        <ControlTemplate.Resources>
+            <Storyboard x:Key="StoryboardShow">
+                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="8,0,0,-18" Duration="0:0:.2"/>
+            </Storyboard>
+            <Storyboard x:Key="StoryboardHidden">
+                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="8,0,0,4" Duration="0:0:0"/>
+            </Storyboard>
+        </ControlTemplate.Resources>
+        <Grid>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}"/>
+            </Grid.RowDefinitions>
+            <StackPanel Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="7,4">
+                <TextBlock Margin="2,0,0,0" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+            </StackPanel>
+            <TextBlock Grid.Row="1" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="8,0,0,4" Foreground="{DynamicResource DangerBrush}"/>
+            <Border Grid.Row="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{DynamicResource BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
+                <Grid x:Name="PART_Root" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition/>
+                        <ColumnDefinition Width="Auto"/>
+                        <ColumnDefinition Width="25"/>
+                    </Grid.ColumnDefinitions>
+                    <Button Command="interactivity:ControlCommands.Clear" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" controls:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}"/>
+                    <Button Style="{StaticResource ButtonIcon}" Padding="2,7,7,7" controls:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0"/>
+                    <DatePickerTextBox x:Name="PART_TextBox" Foreground="{TemplateBinding Foreground}" Grid.Column="0" Padding="5,6" Margin="0,0,0,1" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
+                    <Popup Grid.Column="0" VerticalOffset="1" x:Name="PART_Popup" PopupAnimation="Fade" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=PART_TextBox}" StaysOpen="False"/>
+                </Grid>
+            </Border>
+        </Grid>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
+            </Trigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
+                    <Condition Property="IsOpen" Value="false" SourceName="PART_Popup"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource SecondaryBorderBrush}"/>
+            </MultiTrigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
+                    <Condition Property="IsOpen" Value="true" SourceName="PART_Popup"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </MultiTrigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
+                    <Condition Property="ShowClearButton" Value="True"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="Visibility" Value="Visible" TargetName="ButtonClear"/>
+            </MultiTrigger>
+            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+            <Trigger Property="IsOpen" Value="True" SourceName="PART_Popup">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+            <Trigger Property="IsError" Value="true">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource DangerBrush}"/>
+                <Trigger.EnterActions>
+                    <BeginStoryboard Storyboard="{StaticResource StoryboardShow}"/>
+                </Trigger.EnterActions>
+                <Trigger.ExitActions>
+                    <BeginStoryboard Storyboard="{StaticResource StoryboardHidden}"/>
+                </Trigger.ExitActions>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+
+    <ControlTemplate x:Key="DatePickerPlusLeftTemplate" TargetType="controls:DatePicker">
+        <ControlTemplate.Resources>
+            <Storyboard x:Key="StoryboardShow">
+                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="8,0,0,-18" Duration="0:0:.2"/>
+            </Storyboard>
+            <Storyboard x:Key="StoryboardHidden">
+                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="8,0,0,4" Duration="0:0:0"/>
+            </Storyboard>
+        </ControlTemplate.Resources>
+        <Grid Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="{Binding Path=(controls:InfoElement.TitleWidth),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ColumnDefinition/>
+            </Grid.ColumnDefinitions>
+            <StackPanel Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,8">
+                <TextBlock Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+            </StackPanel>
+            <TextBlock Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="8,0,0,4" Foreground="{DynamicResource DangerBrush}" Grid.Column="1"/>
+            <Border Grid.Column="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{DynamicResource BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
+                <Grid x:Name="PART_Root" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition/>
+                        <ColumnDefinition Width="Auto"/>
+                        <ColumnDefinition Width="25"/>
+                    </Grid.ColumnDefinitions>
+                    <Button Command="interactivity:ControlCommands.Clear" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" controls:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}"/>
+                    <Button Style="{StaticResource ButtonIcon}" Padding="2,7,7,7" controls:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False"/>
+                    <DatePickerTextBox x:Name="PART_TextBox" Foreground="{TemplateBinding Foreground}" Padding="5,6" Margin="0,0,0,1" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
+                    <Popup Grid.Column="0" VerticalOffset="1" x:Name="PART_Popup" PopupAnimation="Fade" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=PART_TextBox}" StaysOpen="False"/>
+                </Grid>
+            </Border>
+        </Grid>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
+            </Trigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
+                    <Condition Property="IsOpen" Value="false" SourceName="PART_Popup"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource SecondaryBorderBrush}"/>
+            </MultiTrigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
+                    <Condition Property="IsOpen" Value="true" SourceName="PART_Popup"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </MultiTrigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
+                    <Condition Property="ShowClearButton" Value="True"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="Visibility" Value="Visible" TargetName="ButtonClear"/>
+            </MultiTrigger>
+            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+            <Trigger Property="IsOpen" Value="True" SourceName="PART_Popup">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+            <Trigger Property="IsError" Value="true">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource DangerBrush}"/>
+                <Trigger.EnterActions>
+                    <BeginStoryboard Storyboard="{StaticResource StoryboardShow}"/>
+                </Trigger.EnterActions>
+                <Trigger.ExitActions>
+                    <BeginStoryboard Storyboard="{StaticResource StoryboardHidden}"/>
+                </Trigger.ExitActions>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+
+    <Style x:Key="DatePickerPlusBaseStyle" BasedOn="{StaticResource DatePickerExtendBaseStyle}" TargetType="controls:DatePicker">
+        <Setter Property="Template" Value="{StaticResource DatePickerPlusTopTemplate}"/>
+        <Style.Triggers>
+            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+                <Setter Property="Template" Value="{StaticResource DatePickerPlusLeftTemplate}"/>
+                <Setter Property="Width" Value="{x:Static system:Double.NaN}"/>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
 </ResourceDictionary>
\ No newline at end of file
diff --git a/HandyControl/Themes/Styles/Base/NumericUpDownBaseStyle.xaml b/HandyControl/Themes/Styles/Base/NumericUpDownBaseStyle.xaml
index e57c6a43..e3cfbc3c 100644
--- a/HandyControl/Themes/Styles/Base/NumericUpDownBaseStyle.xaml
+++ b/HandyControl/Themes/Styles/Base/NumericUpDownBaseStyle.xaml
@@ -1,7 +1,8 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                     xmlns:controls="clr-namespace:HandyControl.Controls"
-                    xmlns:interactivity="clr-namespace:HandyControl.Interactivity">
+                    xmlns:interactivity="clr-namespace:HandyControl.Interactivity"
+                    xmlns:system="clr-namespace:System;assembly=mscorlib">
 
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="../../Basic/Geometries.xaml"/>
@@ -57,4 +58,221 @@
         </Setter>
     </Style>
 
+    <ControlTemplate x:Key="NumericUpDownExtendTopTemplate" TargetType="controls:NumericUpDown">
+        <Grid>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}"/>
+            </Grid.RowDefinitions>
+            <StackPanel Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="7,4">
+                <TextBlock Foreground="{TemplateBinding Foreground}" Margin="1,0,0,0" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+            </StackPanel>
+            <Border Grid.Row="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
+                <Grid SnapsToDevicePixels="true">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="*"/>
+                        <ColumnDefinition Width="30"/>
+                    </Grid.ColumnDefinitions>
+                    <controls:WatermarkTextBox CaretBrush="{TemplateBinding Foreground}" x:Name="PART_TextBox" Padding="5,6" Margin="0,0,0,1" Watermark="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Stretch" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
+                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Prev" Padding="5,7,5,1" Margin="0,0,0,16" Focusable="False" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource UpGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
+                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Next" Padding="5,1,5,7" Margin="0,16,0,0" Focusable="False" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource DownGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
+                </Grid>
+            </Border>
+        </Grid>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
+            </Trigger>
+            <Trigger Property="IsMouseOver" Value="true" SourceName="templateRoot">
+                <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}"/>
+            </Trigger>
+            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+
+    <ControlTemplate x:Key="NumericUpDownExtendLeftTemplate" TargetType="controls:NumericUpDown">
+        <Grid Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="{Binding Path=(controls:InfoElement.TitleWidth),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ColumnDefinition/>
+            </Grid.ColumnDefinitions>
+            <StackPanel Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,8">
+                <TextBlock Foreground="{TemplateBinding Foreground}" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+            </StackPanel>
+            <Border Grid.Column="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
+                <Grid x:Name="PART_Root" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="*"/>
+                        <ColumnDefinition Width="30"/>
+                    </Grid.ColumnDefinitions>
+                    <controls:WatermarkTextBox CaretBrush="{TemplateBinding Foreground}" x:Name="PART_TextBox" Padding="5,6" Margin="0,0,0,1" Watermark="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Stretch" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
+                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Prev" Padding="5,7,5,1" Margin="0,0,0,16" Focusable="False" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource UpGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
+                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Next" Padding="5,1,5,7" Margin="0,16,0,0" Focusable="False" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource DownGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
+                </Grid>
+            </Border>
+        </Grid>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
+            </Trigger>
+            <Trigger Property="IsMouseOver" Value="true" SourceName="templateRoot">
+                <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}"/>
+            </Trigger>
+            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+
+    <Style x:Key="NumericUpDownExtendBaseStyle" BasedOn="{StaticResource NumericUpDownBaseStyle}" TargetType="controls:NumericUpDown">
+        <Setter Property="controls:InfoElement.Symbol" Value="●"/>
+        <Setter Property="controls:InfoElement.ContentHeight" Value="30.0"/>
+        <Setter Property="Height" Value="{x:Static system:Double.NaN}"/>
+        <Setter Property="Template" Value="{StaticResource NumericUpDownExtendTopTemplate}"/>
+        <Style.Triggers>
+            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+                <Setter Property="Template" Value="{StaticResource NumericUpDownExtendLeftTemplate}"/>
+                <Setter Property="Width" Value="{x:Static system:Double.NaN}"/>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
+    <ControlTemplate x:Key="NumericUpDownPlusTopTemplate" TargetType="controls:NumericUpDown">
+        <ControlTemplate.Resources>
+            <Storyboard x:Key="StoryboardShow">
+                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="7,0,0,-18" Duration="0:0:.2"/>
+            </Storyboard>
+            <Storyboard x:Key="StoryboardHidden">
+                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="7,0,0,4" Duration="0:0:0"/>
+            </Storyboard>
+        </ControlTemplate.Resources>
+        <Grid>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto"/>
+                <RowDefinition Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}"/>
+            </Grid.RowDefinitions>
+            <TextBlock Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="7,0,0,4" Foreground="{DynamicResource DangerBrush}" Grid.Row="1"/>
+            <StackPanel Grid.Row="0" Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="7,4">
+                <TextBlock Foreground="{TemplateBinding Foreground}" Margin="1,0,0,0" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+            </StackPanel>
+            <Border Grid.Row="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
+                <Grid SnapsToDevicePixels="true">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="*"/>
+                        <ColumnDefinition Width="Auto"/>
+                        <ColumnDefinition Width="25"/>
+                    </Grid.ColumnDefinitions>
+                    <controls:WatermarkTextBox CaretBrush="{TemplateBinding Foreground}" x:Name="PART_TextBox" Padding="5,6" Margin="0,0,0,1" Watermark="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Stretch" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
+                    <Button Command="interactivity:ControlCommands.Clear" Name="ButtonClear"  Width="16" Visibility="Collapsed" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" controls:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}"/>
+                    <Button Command="interactivity:ControlCommands.Prev" Padding="0,7,5,1" Margin="0,0,0,16" Focusable="False" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource UpGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
+                    <Button Command="interactivity:ControlCommands.Next" Padding="0,1,5,7" Margin="0,16,0,0" Focusable="False" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource DownGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
+                </Grid>
+            </Border>
+        </Grid>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
+            </Trigger>
+            <Trigger Property="IsMouseOver" Value="true" SourceName="templateRoot">
+                <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}"/>
+            </Trigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true"/>
+                    <Condition Property="ShowClearButton" Value="True"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="Visibility" Value="Visible" TargetName="ButtonClear"/>
+            </MultiTrigger>
+            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+            <Trigger Property="IsError" Value="true">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource DangerBrush}"/>
+                <Trigger.EnterActions>
+                    <BeginStoryboard Storyboard="{StaticResource StoryboardShow}"/>
+                </Trigger.EnterActions>
+                <Trigger.ExitActions>
+                    <BeginStoryboard Storyboard="{StaticResource StoryboardHidden}"/>
+                </Trigger.ExitActions>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+
+    <ControlTemplate x:Key="NumericUpDownPlusLeftTemplate" TargetType="controls:NumericUpDown">
+        <ControlTemplate.Resources>
+            <Storyboard x:Key="StoryboardShow">
+                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="7,0,0,-18" Duration="0:0:.2"/>
+            </Storyboard>
+            <Storyboard x:Key="StoryboardHidden">
+                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="7,0,0,4" Duration="0:0:0"/>
+            </Storyboard>
+        </ControlTemplate.Resources>
+        <Grid Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="{Binding Path=(controls:InfoElement.TitleWidth),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ColumnDefinition/>
+            </Grid.ColumnDefinitions>
+            <TextBlock Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="7,0,0,4" Foreground="{DynamicResource DangerBrush}" Grid.Column="1"/>
+            <StackPanel Grid.Column="0" Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,8">
+                <TextBlock Foreground="{TemplateBinding Foreground}" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+            </StackPanel>
+            <Border Grid.Column="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
+                <Grid x:Name="PART_Root" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="*"/>
+                        <ColumnDefinition Width="Auto"/>
+                        <ColumnDefinition Width="25"/>
+                    </Grid.ColumnDefinitions>
+                    <controls:WatermarkTextBox CaretBrush="{TemplateBinding Foreground}" x:Name="PART_TextBox" Padding="5,6" Margin="0,0,0,1" Watermark="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Stretch" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
+                    <Button Command="interactivity:ControlCommands.Clear" Name="PART_ButtonClear"  Width="16" Visibility="Collapsed" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" controls:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}"/>
+                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Prev" Padding="0,7,5,1" Margin="0,0,0,16" Focusable="False" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource UpGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
+                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Next" Padding="0,1,5,7" Margin="0,16,0,0" Focusable="False" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource DownGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
+                </Grid>
+            </Border>
+        </Grid>
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
+            </Trigger>
+            <Trigger Property="IsMouseOver" Value="true" SourceName="templateRoot">
+                <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}"/>
+            </Trigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsMouseOver" Value="true"/>
+                    <Condition Property="ShowClearButton" Value="True"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="Visibility" Value="Visible" TargetName="PART_ButtonClear"/>
+            </MultiTrigger>
+            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
+            </Trigger>
+            <Trigger Property="IsError" Value="true">
+                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource DangerBrush}"/>
+                <Trigger.EnterActions>
+                    <BeginStoryboard Storyboard="{StaticResource StoryboardShow}"/>
+                </Trigger.EnterActions>
+                <Trigger.ExitActions>
+                    <BeginStoryboard Storyboard="{StaticResource StoryboardHidden}"/>
+                </Trigger.ExitActions>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+
+    <Style x:Key="NumericUpDownPlusBaseStyle" BasedOn="{StaticResource NumericUpDownExtendBaseStyle}" TargetType="controls:NumericUpDown">
+        <Setter Property="Template" Value="{StaticResource NumericUpDownPlusTopTemplate}"/>
+        <Style.Triggers>
+            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+                <Setter Property="Template" Value="{StaticResource NumericUpDownPlusLeftTemplate}"/>
+                <Setter Property="Width" Value="{x:Static system:Double.NaN}"/>
+            </Trigger>
+        </Style.Triggers>
+    </Style>
+
 </ResourceDictionary>
\ No newline at end of file
diff --git a/HandyControl/Themes/Styles/Base/PasswordBoxBaseStyle.xaml b/HandyControl/Themes/Styles/Base/PasswordBoxBaseStyle.xaml
index d4148471..865a5575 100644
--- a/HandyControl/Themes/Styles/Base/PasswordBoxBaseStyle.xaml
+++ b/HandyControl/Themes/Styles/Base/PasswordBoxBaseStyle.xaml
@@ -68,7 +68,9 @@
                 <Setter Property="Visibility" TargetName="placeholder" Value="Visible"/>
             </Trigger>
             <Trigger Property="IsEnabled" Value="false">
-                <Setter Property="Opacity" Value="0.4"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="border"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="placeholder"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="PART_ContentHost"/>
             </Trigger>
             <Trigger Property="IsMouseOver" Value="true" SourceName="PART_ContentHost">
                 <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}"/>
@@ -98,7 +100,9 @@
                 <Setter Property="Visibility" TargetName="placeholder" Value="Visible"/>
             </Trigger>
             <Trigger Property="IsEnabled" Value="false">
-                <Setter Property="Opacity" Value="0.4"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="border"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="placeholder"/>
+                <Setter Property="Opacity" Value="0.4" TargetName="PART_ContentHost"/>
             </Trigger>
             <Trigger Property="IsMouseOver" Value="true" SourceName="PART_ContentHost">
                 <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}"/>
diff --git a/HandyControl/Themes/Styles/Base/TextBoxBaseStyle.xaml b/HandyControl/Themes/Styles/Base/TextBoxBaseStyle.xaml
index a7cf49e3..f801dc4f 100644
--- a/HandyControl/Themes/Styles/Base/TextBoxBaseStyle.xaml
+++ b/HandyControl/Themes/Styles/Base/TextBoxBaseStyle.xaml
@@ -80,12 +80,14 @@
                 <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
             </StackPanel>
             <Border x:Name="border" Grid.Row="1" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True"/>
-            <TextBlock VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="8" Grid.Row="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
+            <TextBlock x:Name="Placeholder" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="8" Grid.Row="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
             <ScrollViewer Padding="7,0" Margin="1,1,1,2" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Grid.Row="1" x:Name="PART_ContentHost" Focusable="false" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden"/>
         </Grid>
         <ControlTemplate.Triggers>
             <Trigger Property="IsEnabled" Value="false">
                 <Setter Property="Opacity" TargetName="border" Value="0.4"/>
+                <Setter Property="Opacity" TargetName="PART_ContentHost" Value="0.4"/>
+                <Setter Property="Opacity" TargetName="Placeholder" Value="0.4"/>
             </Trigger>
             <Trigger Property="IsMouseOver" Value="true" SourceName="PART_ContentHost">
                 <Setter Property="BorderBrush" TargetName="border" Value="{DynamicResource SecondaryBorderBrush}"/>
@@ -107,12 +109,14 @@
                 <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
             </StackPanel>
             <Border x:Name="border" Grid.Column="1" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True"/>
-            <TextBlock VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="8,7,8,8" Grid.Column="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
+            <TextBlock x:Name="Placeholder" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="8,7,8,8" Grid.Column="1" Visibility="{TemplateBinding Text,Converter={StaticResource String2VisibilityReConverter}}" HorizontalAlignment="Stretch" Style="{StaticResource TextBlockDefaultThiLight}" Text="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}"/>
             <ScrollViewer Grid.Column="1" Padding="7,0" Margin="1,1,1,2" x:Name="PART_ContentHost" Focusable="false" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden"/>
         </Grid>
         <ControlTemplate.Triggers>
             <Trigger Property="IsEnabled" Value="false">
                 <Setter Property="Opacity" TargetName="border" Value="0.4"/>
+                <Setter Property="Opacity" TargetName="PART_ContentHost" Value="0.4"/>
+                <Setter Property="Opacity" TargetName="Placeholder" Value="0.4"/>
             </Trigger>
             <Trigger Property="IsMouseOver" Value="true" SourceName="PART_ContentHost">
                 <Setter Property="BorderBrush" TargetName="border" Value="{DynamicResource SecondaryBorderBrush}"/>
diff --git a/HandyControl/Themes/Styles/DatePicker.xaml b/HandyControl/Themes/Styles/DatePicker.xaml
index a62bd2a5..cb79d940 100644
--- a/HandyControl/Themes/Styles/DatePicker.xaml
+++ b/HandyControl/Themes/Styles/DatePicker.xaml
@@ -1,7 +1,6 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                    xmlns:controls="clr-namespace:HandyControl.Controls"
-                    xmlns:system="clr-namespace:System;assembly=mscorlib">
+                    xmlns:controls="clr-namespace:HandyControl.Controls">
 
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="Base/DatePickerBaseStyle.xaml"/>
@@ -9,117 +8,8 @@
 
     <Style BasedOn="{StaticResource DatePickerBaseStyle}" TargetType="DatePicker"/>
 
-    <ControlTemplate x:Key="DatePickerExtendTopTemplate" TargetType="DatePicker">
-        <Grid>
-            <Grid.RowDefinitions>
-                <RowDefinition Height="Auto"/>
-                <RowDefinition Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}"/>
-            </Grid.RowDefinitions>
-            <StackPanel Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="7,4">
-                <TextBlock Margin="2,0,0,0" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
-            </StackPanel>
-            <Border Grid.Row="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{DynamicResource BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
-                <Grid x:Name="PART_Root" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
-                    <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="*"/>
-                        <ColumnDefinition Width="30"/>
-                    </Grid.ColumnDefinitions>
+    <Style x:Key="DatePickerExtend" BasedOn="{StaticResource DatePickerExtendBaseStyle}" TargetType="DatePicker"/>
 
-                    <Button Style="{StaticResource ButtonIcon}" Padding="7" controls:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0"/>
-                    <DatePickerTextBox x:Name="PART_TextBox" Foreground="{TemplateBinding Foreground}" Grid.Column="0" Padding="5,6" Margin="0,0,0,1" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
-                    <Popup Grid.Column="0" VerticalOffset="1" x:Name="PART_Popup" PopupAnimation="Fade" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=PART_TextBox}" StaysOpen="False"/>
-                </Grid>
-            </Border>
-        </Grid>
-        <ControlTemplate.Triggers>
-            <Trigger Property="IsEnabled" Value="false">
-                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
-            </Trigger>
-            <MultiTrigger>
-                <MultiTrigger.Conditions>
-                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
-                    <Condition Property="IsOpen" Value="false" SourceName="PART_Popup"/>
-                </MultiTrigger.Conditions>
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource SecondaryBorderBrush}"/>
-            </MultiTrigger>
-            <MultiTrigger>
-                <MultiTrigger.Conditions>
-                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
-                    <Condition Property="IsOpen" Value="true" SourceName="PART_Popup"/>
-                </MultiTrigger.Conditions>
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
-            </MultiTrigger>
-            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
-            </Trigger>
-            <Trigger Property="IsOpen" Value="True" SourceName="PART_Popup">
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
-            </Trigger>
-        </ControlTemplate.Triggers>
-    </ControlTemplate>
+    <Style BasedOn="{StaticResource DatePickerPlusBaseStyle}" TargetType="controls:DatePicker"/>
 
-    <ControlTemplate x:Key="DatePickerExtendLeftTemplate" TargetType="DatePicker">
-        <Grid Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}">
-            <Grid.ColumnDefinitions>
-                <ColumnDefinition Width="{Binding Path=(controls:InfoElement.TitleWidth),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ColumnDefinition/>
-            </Grid.ColumnDefinitions>
-            <StackPanel Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,8">
-                <TextBlock Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
-            </StackPanel>
-            <Border Grid.Column="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{DynamicResource BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
-                <Grid x:Name="PART_Root" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
-                    <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="*"/>
-                        <ColumnDefinition Width="30"/>
-                    </Grid.ColumnDefinitions>
-
-                    <Button Style="{StaticResource ButtonIcon}" Padding="7" controls:IconElement.Geometry="{StaticResource CalendarGeometry}" x:Name="PART_Button"  Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" Focusable="False" Grid.Row="0"/>
-                    <DatePickerTextBox x:Name="PART_TextBox" Foreground="{TemplateBinding Foreground}" Padding="5,6" Margin="0,0,0,1" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" Style="{StaticResource DatePickerTextBoxStyle}"/>
-                    <Popup Grid.Column="0" VerticalOffset="1" x:Name="PART_Popup" PopupAnimation="Fade" AllowsTransparency="True" Placement="Bottom" PlacementTarget="{Binding ElementName=PART_TextBox}" StaysOpen="False"/>
-                </Grid>
-            </Border>
-        </Grid>
-        <ControlTemplate.Triggers>
-            <Trigger Property="IsEnabled" Value="false">
-                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
-            </Trigger>
-            <MultiTrigger>
-                <MultiTrigger.Conditions>
-                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
-                    <Condition Property="IsOpen" Value="false" SourceName="PART_Popup"/>
-                </MultiTrigger.Conditions>
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource SecondaryBorderBrush}"/>
-            </MultiTrigger>
-            <MultiTrigger>
-                <MultiTrigger.Conditions>
-                    <Condition Property="IsMouseOver" Value="true" SourceName="templateRoot"/>
-                    <Condition Property="IsOpen" Value="true" SourceName="PART_Popup"/>
-                </MultiTrigger.Conditions>
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
-            </MultiTrigger>
-            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
-            </Trigger>
-            <Trigger Property="IsOpen" Value="True" SourceName="PART_Popup">
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
-            </Trigger>
-        </ControlTemplate.Triggers>
-    </ControlTemplate>
-
-    <Style x:Key="DatePickerExtend" BasedOn="{StaticResource DatePickerBaseStyle}" TargetType="DatePicker">
-        <Setter Property="Height" Value="{x:Static system:Double.NaN}"/>
-        <Setter Property="Padding" Value="7,6"/>
-        <Setter Property="controls:InfoElement.Symbol" Value="●"/>
-        <Setter Property="Template" Value="{StaticResource DatePickerExtendTopTemplate}"/>
-        <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
-                <Setter Property="Template" Value="{StaticResource DatePickerExtendLeftTemplate}"/>
-                <Setter Property="Width" Value="{x:Static system:Double.NaN}"/>
-            </Trigger>
-        </Style.Triggers>
-    </Style>
-    
 </ResourceDictionary>
\ No newline at end of file
diff --git a/HandyControl/Themes/Styles/NumericUpDown.xaml b/HandyControl/Themes/Styles/NumericUpDown.xaml
index 65294048..58ca728d 100644
--- a/HandyControl/Themes/Styles/NumericUpDown.xaml
+++ b/HandyControl/Themes/Styles/NumericUpDown.xaml
@@ -1,8 +1,6 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-                    xmlns:controls="clr-namespace:HandyControl.Controls"
-                    xmlns:interactivity="clr-namespace:HandyControl.Interactivity"
-                    xmlns:system="clr-namespace:System;assembly=mscorlib">
+                    xmlns:controls="clr-namespace:HandyControl.Controls">
 
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="Base/NumericUpDownBaseStyle.xaml"/>
@@ -10,221 +8,8 @@
 
     <Style BasedOn="{StaticResource NumericUpDownBaseStyle}" TargetType="controls:NumericUpDown"/>
 
-    <ControlTemplate x:Key="NumericUpDownExtendTopTemplate" TargetType="controls:NumericUpDown">
-        <Grid>
-            <Grid.RowDefinitions>
-                <RowDefinition Height="Auto"/>
-                <RowDefinition Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}"/>
-            </Grid.RowDefinitions>
-            <StackPanel Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="7,4">
-                <TextBlock Foreground="{TemplateBinding Foreground}" Margin="1,0,0,0" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
-            </StackPanel>
-            <Border Grid.Row="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
-                <Grid SnapsToDevicePixels="true">
-                    <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="*"/>
-                        <ColumnDefinition Width="30"/>
-                    </Grid.ColumnDefinitions>
-                    <controls:WatermarkTextBox CaretBrush="{TemplateBinding Foreground}" x:Name="PART_TextBox" Padding="5,6" Margin="0,0,0,1" Watermark="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Stretch" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
-                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Prev" Padding="5,7,5,1" Margin="0,0,0,16" Focusable="False" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource UpGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
-                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Next" Padding="5,1,5,7" Margin="0,16,0,0" Focusable="False" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource DownGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
-                </Grid>
-            </Border>
-        </Grid>
-        <ControlTemplate.Triggers>
-            <Trigger Property="IsEnabled" Value="false">
-                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
-            </Trigger>
-            <Trigger Property="IsMouseOver" Value="true" SourceName="templateRoot">
-                <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}"/>
-            </Trigger>
-            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
-            </Trigger>
-        </ControlTemplate.Triggers>
-    </ControlTemplate>
+    <Style x:Key="NumericUpDownExtend" BasedOn="{StaticResource NumericUpDownExtendBaseStyle}" TargetType="controls:NumericUpDown"/>
 
-    <ControlTemplate x:Key="NumericUpDownExtendLeftTemplate" TargetType="controls:NumericUpDown">
-        <Grid Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}">
-            <Grid.ColumnDefinitions>
-                <ColumnDefinition Width="{Binding Path=(controls:InfoElement.TitleWidth),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ColumnDefinition/>
-            </Grid.ColumnDefinitions>
-            <StackPanel Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,8">
-                <TextBlock Foreground="{TemplateBinding Foreground}" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
-            </StackPanel>
-            <Border Grid.Column="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
-                <Grid x:Name="PART_Root" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
-                    <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="*"/>
-                        <ColumnDefinition Width="30"/>
-                    </Grid.ColumnDefinitions>
-                    <controls:WatermarkTextBox CaretBrush="{TemplateBinding Foreground}" x:Name="PART_TextBox" Padding="5,6" Margin="0,0,0,1" Watermark="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Stretch" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
-                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Prev" Padding="5,7,5,1" Margin="0,0,0,16" Focusable="False" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource UpGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
-                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Next" Padding="5,1,5,7" Margin="0,16,0,0" Focusable="False" Grid.Column="1" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource DownGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
-                </Grid>
-            </Border>
-        </Grid>
-        <ControlTemplate.Triggers>
-            <Trigger Property="IsEnabled" Value="false">
-                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
-            </Trigger>
-            <Trigger Property="IsMouseOver" Value="true" SourceName="templateRoot">
-                <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}"/>
-            </Trigger>
-            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
-            </Trigger>
-        </ControlTemplate.Triggers>
-    </ControlTemplate>
-
-    <Style x:Key="NumericUpDownExtend" BasedOn="{StaticResource NumericUpDownBaseStyle}" TargetType="controls:NumericUpDown">
-        <Setter Property="controls:InfoElement.Symbol" Value="●"/>
-        <Setter Property="controls:InfoElement.ContentHeight" Value="30.0"/>
-        <Setter Property="Height" Value="{x:Static system:Double.NaN}"/>
-        <Setter Property="Template" Value="{StaticResource NumericUpDownExtendTopTemplate}"/>
-        <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
-                <Setter Property="Template" Value="{StaticResource NumericUpDownExtendLeftTemplate}"/>
-                <Setter Property="Width" Value="{x:Static system:Double.NaN}"/>
-            </Trigger>
-        </Style.Triggers>
-    </Style>
-
-    <ControlTemplate x:Key="NumericUpDownPlusTopTemplate" TargetType="controls:NumericUpDown">
-        <ControlTemplate.Resources>
-            <Storyboard x:Key="StoryboardShow">
-                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="7,0,0,-18" Duration="0:0:.2"/>
-            </Storyboard>
-            <Storyboard x:Key="StoryboardHidden">
-                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="7,0,0,4" Duration="0:0:0"/>
-            </Storyboard>
-        </ControlTemplate.Resources>
-        <Grid>
-            <Grid.RowDefinitions>
-                <RowDefinition Height="Auto"/>
-                <RowDefinition Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}"/>
-            </Grid.RowDefinitions>
-            <TextBlock Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="7,0,0,4" Foreground="{DynamicResource DangerBrush}" Grid.Row="1"/>
-            <StackPanel Grid.Row="0" Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="7,4">
-                <TextBlock Foreground="{TemplateBinding Foreground}" Margin="1,0,0,0" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
-            </StackPanel>
-            <Border Grid.Row="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
-                <Grid SnapsToDevicePixels="true">
-                    <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="*"/>
-                        <ColumnDefinition Width="Auto"/>
-                        <ColumnDefinition Width="25"/>
-                    </Grid.ColumnDefinitions>
-                    <controls:WatermarkTextBox CaretBrush="{TemplateBinding Foreground}" x:Name="PART_TextBox" Padding="5,6" Margin="0,0,0,1" Watermark="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Stretch" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
-                    <Button Command="interactivity:ControlCommands.Clear" Name="ButtonClear"  Width="16" Visibility="Collapsed" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" controls:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}"/>
-                    <Button Command="interactivity:ControlCommands.Prev" Padding="0,7,5,1" Margin="0,0,0,16" Focusable="False" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource UpGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
-                    <Button Command="interactivity:ControlCommands.Next" Padding="0,1,5,7" Margin="0,16,0,0" Focusable="False" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource DownGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
-                </Grid>
-            </Border>
-        </Grid>
-        <ControlTemplate.Triggers>
-            <Trigger Property="IsEnabled" Value="false">
-                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
-            </Trigger>
-            <Trigger Property="IsMouseOver" Value="true" SourceName="templateRoot">
-                <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}"/>
-            </Trigger>
-            <MultiTrigger>
-                <MultiTrigger.Conditions>
-                    <Condition Property="IsMouseOver" Value="true"/>
-                    <Condition Property="ShowClearButton" Value="True"/>
-                </MultiTrigger.Conditions>
-                <Setter Property="Visibility" Value="Visible" TargetName="ButtonClear"/>
-            </MultiTrigger>
-            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
-            </Trigger>
-            <Trigger Property="IsError" Value="true">
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource DangerBrush}"/>
-                <Trigger.EnterActions>
-                    <BeginStoryboard Storyboard="{StaticResource StoryboardShow}"/>
-                </Trigger.EnterActions>
-                <Trigger.ExitActions>
-                    <BeginStoryboard Storyboard="{StaticResource StoryboardHidden}"/>
-                </Trigger.ExitActions>
-            </Trigger>
-        </ControlTemplate.Triggers>
-    </ControlTemplate>
-
-    <ControlTemplate x:Key="NumericUpDownPlusLeftTemplate" TargetType="controls:NumericUpDown">
-        <ControlTemplate.Resources>
-            <Storyboard x:Key="StoryboardShow">
-                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="7,0,0,-18" Duration="0:0:.2"/>
-            </Storyboard>
-            <Storyboard x:Key="StoryboardHidden">
-                <ThicknessAnimation Storyboard.TargetName="TextBlockError" Storyboard.TargetProperty="Margin" To="7,0,0,4" Duration="0:0:0"/>
-            </Storyboard>
-        </ControlTemplate.Resources>
-        <Grid Height="{Binding Path=(controls:InfoElement.ContentHeight),RelativeSource={RelativeSource TemplatedParent}}">
-            <Grid.ColumnDefinitions>
-                <ColumnDefinition Width="{Binding Path=(controls:InfoElement.TitleWidth),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ColumnDefinition/>
-            </Grid.ColumnDefinitions>
-            <TextBlock Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="7,0,0,4" Foreground="{DynamicResource DangerBrush}" Grid.Column="1"/>
-            <StackPanel Grid.Column="0" Visibility="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,8">
-                <TextBlock Foreground="{TemplateBinding Foreground}" Text="{Binding Path=(controls:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(controls:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(controls:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
-            </StackPanel>
-            <Border Grid.Column="1" x:Name="templateRoot" CornerRadius="{Binding Path=(controls:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}">
-                <Grid x:Name="PART_Root" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
-                    <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="*"/>
-                        <ColumnDefinition Width="Auto"/>
-                        <ColumnDefinition Width="25"/>
-                    </Grid.ColumnDefinitions>
-                    <controls:WatermarkTextBox CaretBrush="{TemplateBinding Foreground}" x:Name="PART_TextBox" Padding="5,6" Margin="0,0,0,1" Watermark="{Binding Path=(controls:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Stretch" Grid.Column="0" Focusable="{TemplateBinding Focusable}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Grid.Row="0" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/>
-                    <Button Command="interactivity:ControlCommands.Clear" Name="PART_ButtonClear"  Width="16" Visibility="Collapsed" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" controls:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{Binding BorderBrush,ElementName=templateRoot}"/>
-                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Prev" Padding="0,7,5,1" Margin="0,0,0,16" Focusable="False" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource UpGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
-                    <Button Visibility="{TemplateBinding ShowUpDownButton,Converter={StaticResource Boolean2VisibilityConverter}}" Command="interactivity:ControlCommands.Next" Padding="0,1,5,7" Margin="0,16,0,0" Focusable="False" Grid.Column="2" Foreground="{Binding BorderBrush,ElementName=templateRoot}" controls:IconElement.Geometry="{StaticResource DownGeometry}" Style="{StaticResource ButtonIcon}" Width="30" VerticalAlignment="Center" Height="14"/>
-                </Grid>
-            </Border>
-        </Grid>
-        <ControlTemplate.Triggers>
-            <Trigger Property="IsEnabled" Value="false">
-                <Setter Property="Opacity" TargetName="templateRoot" Value="0.4"/>
-            </Trigger>
-            <Trigger Property="IsMouseOver" Value="true" SourceName="templateRoot">
-                <Setter Property="BorderBrush" Value="{DynamicResource SecondaryBorderBrush}"/>
-            </Trigger>
-            <MultiTrigger>
-                <MultiTrigger.Conditions>
-                    <Condition Property="IsMouseOver" Value="true"/>
-                    <Condition Property="ShowClearButton" Value="True"/>
-                </MultiTrigger.Conditions>
-                <Setter Property="Visibility" Value="Visible" TargetName="PART_ButtonClear"/>
-            </MultiTrigger>
-            <Trigger Property="IsFocused" Value="true" SourceName="PART_TextBox">
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource PrimaryBrush}"/>
-            </Trigger>
-            <Trigger Property="IsError" Value="true">
-                <Setter Property="BorderBrush" TargetName="templateRoot" Value="{DynamicResource DangerBrush}"/>
-                <Trigger.EnterActions>
-                    <BeginStoryboard Storyboard="{StaticResource StoryboardShow}"/>
-                </Trigger.EnterActions>
-                <Trigger.ExitActions>
-                    <BeginStoryboard Storyboard="{StaticResource StoryboardHidden}"/>
-                </Trigger.ExitActions>
-            </Trigger>
-        </ControlTemplate.Triggers>
-    </ControlTemplate>
-
-    <Style x:Key="NumericUpDownPlus" BasedOn="{StaticResource NumericUpDownExtend}" TargetType="controls:NumericUpDown">
-        <Setter Property="Template" Value="{StaticResource NumericUpDownPlusTopTemplate}"/>
-        <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
-                <Setter Property="Template" Value="{StaticResource NumericUpDownPlusLeftTemplate}"/>
-                <Setter Property="Width" Value="{x:Static system:Double.NaN}"/>
-            </Trigger>
-        </Style.Triggers>
-    </Style>
+    <Style x:Key="NumericUpDownPlus" BasedOn="{StaticResource NumericUpDownPlusBaseStyle}" TargetType="controls:NumericUpDown"/>
 
 </ResourceDictionary>
\ No newline at end of file
diff --git a/HandyControlDemo/Data/MessageToken.cs b/HandyControlDemo/Data/MessageToken.cs
index bdce5727..f2ecae60 100644
--- a/HandyControlDemo/Data/MessageToken.cs
+++ b/HandyControlDemo/Data/MessageToken.cs
@@ -44,6 +44,8 @@
 	
         public static readonly string PasswordBoxDemoCtl = nameof(PasswordBoxDemoCtl);
 	
+        public static readonly string DatePickerDemoCtl = nameof(DatePickerDemoCtl);
+	
         public static readonly string ButtonDemoCtl = nameof(ButtonDemoCtl);
 
         public static readonly string ToggleButtonDemoCtl = nameof(ToggleButtonDemoCtl);
@@ -56,7 +58,7 @@
 
         public static readonly string CalendarDemoCtl = nameof(CalendarDemoCtl);
 
-        public static readonly string DatePickerDemoCtl = nameof(DatePickerDemoCtl);
+        public static readonly string NaiveDatePickerDemoCtl = nameof(NaiveDatePickerDemoCtl);
 
         public static readonly string NaiveTextBoxDemoCtl = nameof(NaiveTextBoxDemoCtl);
 
diff --git a/HandyControlDemo/Data/MessageToken.tt b/HandyControlDemo/Data/MessageToken.tt
index ec9d74e2..7fca17ce 100644
--- a/HandyControlDemo/Data/MessageToken.tt
+++ b/HandyControlDemo/Data/MessageToken.tt
@@ -24,7 +24,8 @@ var controlList = new List<string>
 	"CircleProgressBarDemoCtl",
 	"TextBoxDemoCtl",
 	"ComboBoxDemoCtl",
-	"PasswordBoxDemoCtl"
+	"PasswordBoxDemoCtl",
+	"DatePickerDemoCtl"
 };
 var styleList = new List<string>
 {
@@ -34,7 +35,7 @@ var styleList = new List<string>
 	"ProgressBarDemoCtl",
 	"TabControlDemoCtl",
 	"CalendarDemoCtl",
-	"DatePickerDemoCtl",
+	"NaiveDatePickerDemoCtl",
 	"NaiveTextBoxDemoCtl",
 	"TextBlockDemoCtl",
 	"NaiveComboBoxDemoCtl",
diff --git a/HandyControlDemo/HandyControlDemo.csproj b/HandyControlDemo/HandyControlDemo.csproj
index 3ea8bca5..86388ef9 100644
--- a/HandyControlDemo/HandyControlDemo.csproj
+++ b/HandyControlDemo/HandyControlDemo.csproj
@@ -120,6 +120,9 @@
     <Compile Include="UserControl\Controls\CompareSliderDemoCtl.xaml.cs">
       <DependentUpon>CompareSliderDemoCtl.xaml</DependentUpon>
     </Compile>
+    <Compile Include="UserControl\Controls\DatePickerDemoCtl.xaml.cs">
+      <DependentUpon>DatePickerDemoCtl.xaml</DependentUpon>
+    </Compile>
     <Compile Include="UserControl\Controls\GrowlDemoCtl.xaml.cs">
       <DependentUpon>GrowlDemoCtl.xaml</DependentUpon>
     </Compile>
@@ -180,8 +183,8 @@
     <Compile Include="UserControl\Styles\DataGridDemoCtl.xaml.cs">
       <DependentUpon>DataGridDemoCtl.xaml</DependentUpon>
     </Compile>
-    <Compile Include="UserControl\Styles\DatePickerDemoCtl.xaml.cs">
-      <DependentUpon>DatePickerDemoCtl.xaml</DependentUpon>
+    <Compile Include="UserControl\Styles\NaiveDatePickerDemoCtl.xaml.cs">
+      <DependentUpon>NaiveDatePickerDemoCtl.xaml</DependentUpon>
     </Compile>
     <Compile Include="UserControl\Styles\ExpanderDemoCtl.xaml.cs">
       <DependentUpon>ExpanderDemoCtl.xaml</DependentUpon>
@@ -344,6 +347,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="UserControl\Controls\DatePickerDemoCtl.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
     <Page Include="UserControl\Controls\GrowlDemoCtl.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -424,7 +431,7 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
-    <Page Include="UserControl\Styles\DatePickerDemoCtl.xaml">
+    <Page Include="UserControl\Styles\NaiveDatePickerDemoCtl.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
diff --git a/HandyControlDemo/UserControl/Controls/DatePickerDemoCtl.xaml b/HandyControlDemo/UserControl/Controls/DatePickerDemoCtl.xaml
index 34e29207..840081e3 100644
--- a/HandyControlDemo/UserControl/Controls/DatePickerDemoCtl.xaml
+++ b/HandyControlDemo/UserControl/Controls/DatePickerDemoCtl.xaml
@@ -2,8 +2,20 @@
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:controls="clr-namespace:HandyControl.Controls;assembly=HandyControl"
+             xmlns:system="clr-namespace:System;assembly=mscorlib"
+             xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
              Background="White">
     <controls:TransitioningContentControl>
-        <DatePicker Margin="32" SelectedDate="2018-10-01"/>
+        <StackPanel Margin="32">
+            <controls:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}"/>
+            <controls:DatePicker Margin="0,16,0,0" IsEnabled="False" SelectedDate="{x:Static system:DateTime.Now}"/>
+
+            <controls:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}" controls:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr1}" Margin="0,32,0,0"/>
+            <controls:DatePicker SelectedDate="{x:Static system:DateTime.Now}" controls:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" controls:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr2}" controls:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+
+            <controls:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}" Width="380" controls:InfoElement.TitleWidth="140" controls:InfoElement.TitleAlignment="Left" controls:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" Margin="0,32,0,0"/>
+            <controls:DatePicker Width="380" controls:InfoElement.TitleWidth="140" controls:InfoElement.TitleAlignment="Left" controls:InfoElement.Placeholder="{x:Static langs:Lang.PlsEnterContent}" controls:InfoElement.Title="{x:Static langs:Lang.TitleDemoStr3}" controls:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+
+        </StackPanel>
     </controls:TransitioningContentControl>
 </UserControl>
diff --git a/HandyControlDemo/UserControl/Controls/DatePickerDemoCtl.xaml.cs b/HandyControlDemo/UserControl/Controls/DatePickerDemoCtl.xaml.cs
index 733dfe24..a7f7a755 100644
--- a/HandyControlDemo/UserControl/Controls/DatePickerDemoCtl.xaml.cs
+++ b/HandyControlDemo/UserControl/Controls/DatePickerDemoCtl.xaml.cs
@@ -1,9 +1,5 @@
-// ReSharper disable once CheckNamespace
-namespace HandyControlDemo.UserControl
+namespace HandyControlDemo.UserControl
 {
-    /// <summary>
-    /// DatePickerDemoCtl.xaml 的交互逻辑
-    /// </summary>
     public partial class DatePickerDemoCtl
     {
         public DatePickerDemoCtl()
diff --git a/HandyControlDemo/UserControl/Main/LeftMainContent.xaml b/HandyControlDemo/UserControl/Main/LeftMainContent.xaml
index c550f4af..ae71a652 100644
--- a/HandyControlDemo/UserControl/Main/LeftMainContent.xaml
+++ b/HandyControlDemo/UserControl/Main/LeftMainContent.xaml
@@ -85,7 +85,7 @@
                         <Image Source="../../Resources/Img/LeftMainContent/Calendar_16x.png"/>
                     </controls:EdgeElement.LeftContent>
                 </ListBoxItem>
-                <ListBoxItem Tag="{x:Static data:MessageToken.DatePickerDemoCtl}" Content="{x:Static langs:Lang.DatePicker}">
+                <ListBoxItem Tag="{x:Static data:MessageToken.NaiveDatePickerDemoCtl}" Content="{x:Static langs:Lang.DatePicker}">
                     <controls:EdgeElement.LeftContent>
                         <Image Source="../../Resources/Img/LeftMainContent/DatePicker_16x.png"/>
                     </controls:EdgeElement.LeftContent>
@@ -134,16 +134,21 @@
                         <Image Source="../../Resources/Img/LeftMainContent/TextBox_16x.png"/>
                     </controls:EdgeElement.LeftContent>
                 </ListBoxItem>
-                <ListBoxItem Style="{StaticResource ListBoxItemNew}" Tag="{x:Static data:MessageToken.ComboBoxDemoCtl}" Content="{x:Static langs:Lang.ComboBox}">
+                <ListBoxItem Tag="{x:Static data:MessageToken.ComboBoxDemoCtl}" Content="{x:Static langs:Lang.ComboBox}">
                     <controls:EdgeElement.LeftContent>
                         <Image Source="../../Resources/Img/LeftMainContent/ComboBox_16x.png"/>
                     </controls:EdgeElement.LeftContent>
                 </ListBoxItem>
-                <ListBoxItem Style="{StaticResource ListBoxItemNew}" Tag="{x:Static data:MessageToken.PasswordBoxDemoCtl}" Content="{x:Static langs:Lang.PasswordBox}">
+                <ListBoxItem Tag="{x:Static data:MessageToken.PasswordBoxDemoCtl}" Content="{x:Static langs:Lang.PasswordBox}">
                     <controls:EdgeElement.LeftContent>
                         <Image Source="../../Resources/Img/LeftMainContent/PasswordBox_16x.png"/>
                     </controls:EdgeElement.LeftContent>
                 </ListBoxItem>
+                <ListBoxItem Style="{StaticResource ListBoxItemNew}" Tag="{x:Static data:MessageToken.DatePickerDemoCtl}" Content="{x:Static langs:Lang.DatePicker}">
+                    <controls:EdgeElement.LeftContent>
+                        <Image Source="../../Resources/Img/LeftMainContent/DatePicker_16x.png"/>
+                    </controls:EdgeElement.LeftContent>
+                </ListBoxItem>
                 <ListBoxItem Tag="{x:Static data:MessageToken.CirclePanelDemoCtl}" Content="{x:Static langs:Lang.CirclePanel}">
                     <controls:EdgeElement.LeftContent>
                         <Image Source="../../Resources/Img/LeftMainContent/ColorWheel_16x.png"/>
@@ -179,7 +184,7 @@
                         <Image Source="../../Resources/Img/LeftMainContent/Loading_Blue_16x.png"/>
                     </controls:EdgeElement.LeftContent>
                 </ListBoxItem>
-                <ListBoxItem Style="{StaticResource ListBoxItemNew}" Tag="{x:Static data:MessageToken.ImageBrowserDemoCtl}" Content="{x:Static langs:Lang.ImageBrowser}">
+                <ListBoxItem Tag="{x:Static data:MessageToken.ImageBrowserDemoCtl}" Content="{x:Static langs:Lang.ImageBrowser}">
                     <controls:EdgeElement.LeftContent>
                         <Image Source="../../Resources/Img/LeftMainContent/ImageBrowser_16x.png"/>
                     </controls:EdgeElement.LeftContent>
diff --git a/HandyControlDemo/UserControl/Styles/DatePickerDemoCtl.xaml.cs b/HandyControlDemo/UserControl/Styles/DatePickerDemoCtl.xaml.cs
deleted file mode 100644
index 733dfe24..00000000
--- a/HandyControlDemo/UserControl/Styles/DatePickerDemoCtl.xaml.cs
+++ /dev/null
@@ -1,14 +0,0 @@
-// ReSharper disable once CheckNamespace
-namespace HandyControlDemo.UserControl
-{
-    /// <summary>
-    /// DatePickerDemoCtl.xaml 的交互逻辑
-    /// </summary>
-    public partial class DatePickerDemoCtl
-    {
-        public DatePickerDemoCtl()
-        {
-            InitializeComponent();
-        }
-    }
-}
diff --git a/HandyControlDemo/UserControl/Styles/DatePickerDemoCtl.xaml b/HandyControlDemo/UserControl/Styles/NaiveDatePickerDemoCtl.xaml
similarity index 96%
rename from HandyControlDemo/UserControl/Styles/DatePickerDemoCtl.xaml
rename to HandyControlDemo/UserControl/Styles/NaiveDatePickerDemoCtl.xaml
index d3207e3d..0c241c84 100644
--- a/HandyControlDemo/UserControl/Styles/DatePickerDemoCtl.xaml
+++ b/HandyControlDemo/UserControl/Styles/NaiveDatePickerDemoCtl.xaml
@@ -1,4 +1,4 @@
-<UserControl x:Class="HandyControlDemo.UserControl.DatePickerDemoCtl"
+<UserControl x:Class="HandyControlDemo.UserControl.NaiveDatePickerDemoCtl"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:controls="clr-namespace:HandyControl.Controls;assembly=HandyControl"
diff --git a/HandyControlDemo/UserControl/Styles/NaiveDatePickerDemoCtl.xaml.cs b/HandyControlDemo/UserControl/Styles/NaiveDatePickerDemoCtl.xaml.cs
new file mode 100644
index 00000000..a493aba7
--- /dev/null
+++ b/HandyControlDemo/UserControl/Styles/NaiveDatePickerDemoCtl.xaml.cs
@@ -0,0 +1,10 @@
+namespace HandyControlDemo.UserControl
+{
+    public partial class NaiveDatePickerDemoCtl
+    {
+        public NaiveDatePickerDemoCtl()
+        {
+            InitializeComponent();
+        }
+    }
+}