diff --git a/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/ComboBoxBaseStyle.xaml b/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/ComboBoxBaseStyle.xaml
index eb2741ed..1772db59 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/ComboBoxBaseStyle.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/ComboBoxBaseStyle.xaml
@@ -529,21 +529,21 @@
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="False"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Left"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Left"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxLeftTemplate}"/>
             </MultiTrigger>
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Top"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Top"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxEditableTopTemplate}"/>
             </MultiTrigger>
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Left"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Left"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxEditableLeftTemplate}"/>
             </MultiTrigger>
@@ -1280,21 +1280,21 @@
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="False"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Left"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Left"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxPlusLeftTemplate}"/>
             </MultiTrigger>
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Top"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Top"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxPlusEditableTopTemplate}"/>
             </MultiTrigger>
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Top"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Top"/>
                     <Condition Property="AutoComplete" Value="True"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxPlusEditableTopAutoCompleteTemplate}"/>
@@ -1302,14 +1302,14 @@
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Left"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Left"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxPlusEditableLeftTemplate}"/>
             </MultiTrigger>
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Left"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Left"/>
                     <Condition Property="AutoComplete" Value="True"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxPlusEditableLeftAutoCompleteTemplate}"/>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/ComboBoxDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/ComboBoxDemoCtl.xaml
index 69cc96ff..70e3b23e 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/ComboBoxDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/ComboBoxDemoCtl.xaml
@@ -18,10 +18,10 @@
                 <hc:ComboBox ItemsSource="{Binding DataList}" IsEditable="True" SelectedIndex="0" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
                 <hc:ComboBox AutoComplete="True" ShowClearButton="True" ItemsSource="{Binding DataList}" IsEditable="True" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
 
-                <hc:ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
-                <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
-                <hc:ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
-                <hc:ComboBox AutoComplete="True" ShowClearButton="True" ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <hc:ComboBox AutoComplete="True" ShowClearButton="True" ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
         </ScrollViewer>
     </hc:TransitioningContentControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/DatePickerDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/DatePickerDemoCtl.xaml
index d55bc4a9..040ab4ad 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/DatePickerDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/DatePickerDemoCtl.xaml
@@ -14,8 +14,8 @@
             <hc:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
             <hc:DatePicker SelectedDate="{x:Static system:DateTime.Now}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-            <hc:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
-            <hc:DatePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <hc:DatePicker ShowClearButton="True" SelectedDate="{x:Static system:DateTime.Now}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+            <hc:DatePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
         </StackPanel>
     </hc:TransitioningContentControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/DateTimePickerDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/DateTimePickerDemoCtl.xaml
index 17ebf32d..661f1e1d 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/DateTimePickerDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/DateTimePickerDemoCtl.xaml
@@ -14,8 +14,8 @@
                 <hc:DateTimePicker ShowClearButton="True" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
                 <hc:DateTimePicker hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <hc:DateTimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
-                <hc:DateTimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:DateTimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+                <hc:DateTimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource DateTimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
             </StackPanel>
             <StackPanel Margin="32,0,0,0">
                 <hc:DateTimePicker ShowClearButton="True" Style="{StaticResource DateTimePickerPlus}"/>
@@ -24,8 +24,8 @@
                 <hc:DateTimePicker ShowClearButton="True" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
                 <hc:DateTimePicker hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <hc:DateTimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
-                <hc:DateTimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:DateTimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+                <hc:DateTimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource DateTimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
             </StackPanel>
         </StackPanel>
     </hc:TransitioningContentControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NotifyIconDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NotifyIconDemoCtl.xaml
index 4414cfd4..9ac7b436 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NotifyIconDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NotifyIconDemoCtl.xaml
@@ -13,22 +13,22 @@
                 <StackPanel Orientation="Horizontal" VerticalAlignment="Center">
                     <GroupBox Header="ContextMenu" Padding="10">
                         <StackPanel>
-                            <GroupBox hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Visibility}}">
+                            <GroupBox hc:TitleElement.TitlePlacement="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Visibility}}">
                                 <ToggleButton IsChecked="{Binding ContextMenuIsShow}" Style="{StaticResource ToggleButtonSwitch}"/>
                             </GroupBox>
                             <TextBlock Foreground="{DynamicResource InfoBrush}" Visibility="{Binding ContextMenuIsShow,Converter={StaticResource Boolean2VisibilityConverter}}" Text="{ex:Lang Key={x:Static langs:LangKeys.Try2CloseApp}}" Margin="0,6,0,0"/>
-                            <GroupBox Margin="0,10,0,0" hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Blink}}">
+                            <GroupBox Margin="0,10,0,0" hc:TitleElement.TitlePlacement="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Blink}}">
                                 <ToggleButton IsChecked="{Binding ContextMenuIsBlink}" IsEnabled="{Binding ContextMenuIsShow}" Style="{StaticResource ToggleButtonSwitch}"/>
                             </GroupBox>
                         </StackPanel>
                     </GroupBox>
                     <GroupBox Header="ContextContent" Margin="16,0,0,0" Padding="10">
                         <StackPanel>
-                            <GroupBox hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Visibility}}">
+                            <GroupBox hc:TitleElement.TitlePlacement="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Visibility}}">
                                 <ToggleButton IsChecked="{Binding ContextContentIsShow}" Style="{StaticResource ToggleButtonSwitch}"/>
                             </GroupBox>
                             <TextBlock Foreground="{DynamicResource InfoBrush}" Visibility="{Binding ContextContentIsShow,Converter={StaticResource Boolean2VisibilityConverter}}" Text="{ex:Lang Key={x:Static langs:LangKeys.Try2CloseApp}}" Margin="0,6,0,0"/>
-                            <GroupBox Margin="0,10,0,0" hc:TitleElement.TitleAlignment="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Blink}}">
+                            <GroupBox Margin="0,10,0,0" hc:TitleElement.TitlePlacement="Left" Style="{StaticResource GroupBoxOriginal}" Header="{ex:Lang Key={x:Static langs:LangKeys.Blink}}">
                                 <ToggleButton IsChecked="{Binding ContextContentIsBlink}" IsEnabled="{Binding ContextContentIsShow}" Style="{StaticResource ToggleButtonSwitch}"/>
                             </GroupBox>
                         </StackPanel>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml
index b1f30b0f..ccebf3aa 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/NumericUpDownDemoCtl.xaml
@@ -14,8 +14,8 @@
 
                 <hc:NumericUpDown hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Style="{StaticResource NumericUpDownExtend}"/>
                 <hc:NumericUpDown hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource NumericUpDownExtend}"/>
-                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" Margin="0,32,0,0"/>
-                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" Margin="0,32,0,0"/>
+                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
             <StackPanel Margin="32,0,0,0">
                 <hc:NumericUpDown Name="NumericUpDownCustomVerify" ShowClearButton="True" Style="{StaticResource NumericUpDownPlus}"/>
@@ -24,8 +24,8 @@
 
                 <hc:NumericUpDown ShowClearButton="True" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Style="{StaticResource NumericUpDownPlus}"/>
                 <hc:NumericUpDown hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource NumericUpDownPlus}"/>
-                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownPlus}" Margin="0,32,0,0"/>
-                <hc:NumericUpDown DecimalPlaces="2" ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownPlus}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:NumericUpDown Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownPlus}" Margin="0,32,0,0"/>
+                <hc:NumericUpDown DecimalPlaces="2" ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource NumericUpDownPlus}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
         </StackPanel>
     </hc:TransitioningContentControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/PasswordBoxDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/PasswordBoxDemoCtl.xaml
index bac54267..d61a7333 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/PasswordBoxDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/PasswordBoxDemoCtl.xaml
@@ -13,8 +13,8 @@
             <hc:PasswordBox ShowClearButton="True" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Password="123456" Margin="0,32,0,0"/>
             <hc:PasswordBox ShowEyeButton="True" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
 
-            <hc:PasswordBox ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Password="123456"/>
-            <hc:PasswordBox ShowClearButton="True" ShowEyeButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+            <hc:PasswordBox ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Password="123456"/>
+            <hc:PasswordBox ShowClearButton="True" ShowEyeButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/SearchBarDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/SearchBarDemoCtl.xaml
index a77da27b..e1038cfe 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/SearchBarDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/SearchBarDemoCtl.xaml
@@ -14,8 +14,8 @@
 
                 <hc:SearchBar hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Style="{StaticResource SearchBarExtend}"/>
                 <hc:SearchBar hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource SearchBarExtend}"/>
-                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarExtend}" Margin="0,32,0,0"/>
-                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarExtend}" Margin="0,32,0,0"/>
+                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarExtend}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
             <StackPanel Margin="32,0,0,0">
                 <hc:SearchBar Name="SearchBarCustomVerify" ShowClearButton="True" Style="{StaticResource SearchBarPlus}"/>
@@ -23,8 +23,8 @@
 
                 <hc:SearchBar ShowClearButton="True" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Style="{StaticResource SearchBarPlus}"/>
                 <hc:SearchBar TextType="Mail" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterEmail}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" hc:InfoElement.Necessary="True" Style="{StaticResource SearchBarPlus}"/>
-                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarPlus}" Margin="0,32,0,0"/>
-                <hc:SearchBar ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarPlus}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
+                <hc:SearchBar Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarPlus}" Margin="0,32,0,0"/>
+                <hc:SearchBar ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource SearchBarPlus}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
             </StackPanel>
         </StackPanel>
     </hc:TransitioningContentControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/TextBoxDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/TextBoxDemoCtl.xaml
index 291e5f75..21d65702 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/TextBoxDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/TextBoxDemoCtl.xaml
@@ -12,8 +12,8 @@
 
             <hc:TextBox ShowClearButton="True" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
             <hc:TextBox TextType="Mail" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterEmail}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
-            <hc:TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
-            <hc:TextBox ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <hc:TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+            <hc:TextBox ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/TimePickerDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/TimePickerDemoCtl.xaml
index 285d0a3a..c9cf2352 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/TimePickerDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/TimePickerDemoCtl.xaml
@@ -14,8 +14,8 @@
                 <hc:TimePicker ShowClearButton="True" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
                 <hc:TimePicker hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <hc:TimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
-                <hc:TimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:TimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+                <hc:TimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource TimePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
             </StackPanel>
             <StackPanel Margin="32,0,0,0">
                 <hc:TimePicker ShowClearButton="True" Style="{StaticResource TimePickerPlus}">
@@ -28,8 +28,8 @@
                 <hc:TimePicker ShowClearButton="True" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
                 <hc:TimePicker hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <hc:TimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
-                <hc:TimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                <hc:TimePicker ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+                <hc:TimePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource TimePickerPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
             </StackPanel>
         </StackPanel>
     </hc:TransitioningContentControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/WaterfallPanelDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/WaterfallPanelDemoCtl.xaml
index 6c75d714..253b7707 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/WaterfallPanelDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/WaterfallPanelDemoCtl.xaml
@@ -11,7 +11,7 @@
                 <RowDefinition Height="Auto"/>
                 <RowDefinition/>
             </Grid.RowDefinitions>
-            <hc:NumericUpDown x:Name="UpDownGroups" HorizontalAlignment="Center" Value="2" Minimum="1" Maximum="3" Width="200" Style="{StaticResource NumericUpDownExtend}" hc:TitleElement.Title="{ex:Lang Key={x:Static langs:LangKeys.Groups}}" hc:TitleElement.TitleWidth="50" hc:TitleElement.TitleAlignment="Left"/>
+            <hc:NumericUpDown x:Name="UpDownGroups" HorizontalAlignment="Center" Value="2" Minimum="1" Maximum="3" Width="200" Style="{StaticResource NumericUpDownExtend}" hc:TitleElement.Title="{ex:Lang Key={x:Static langs:LangKeys.Groups}}" hc:TitleElement.TitleWidth="50" hc:TitleElement.TitlePlacement="Left"/>
             <StackPanel Grid.Row="1" Orientation="Horizontal" Margin="0,16,0,0">
                 <hc:ScrollViewer MaxHeight="300">
                     <hc:WaterfallPanel VerticalAlignment="Center" Width="300" Groups="{Binding Value,ElementName=UpDownGroups}" hc:PanelElement.FluidMoveBehavior="{StaticResource BehaviorXY200}">
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/GroupBoxDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/GroupBoxDemoCtl.xaml
index 7d609afe..0f538b40 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/GroupBoxDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/GroupBoxDemoCtl.xaml
@@ -23,7 +23,7 @@
                         <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                     </Border>
                 </GroupBox>
-                <GroupBox Grid.Row="0" Grid.Column="1" Width="300" Height="200" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Padding="10" Margin="16" hc:TitleElement.TitleAlignment="Left">
+                <GroupBox Grid.Row="0" Grid.Column="1" Width="300" Height="200" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Padding="10" Margin="16" hc:TitleElement.TitlePlacement="Left">
                     <Border Background="{DynamicResource PrimaryBrush}" CornerRadius="4">
                         <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                     </Border>
@@ -33,7 +33,7 @@
                         <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                     </Border>
                 </GroupBox>
-                <GroupBox Grid.Row="1" Grid.Column="1" Width="300" Height="200" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Padding="10" Margin="16" Style="{StaticResource GroupBoxTab}" hc:TitleElement.TitleAlignment="Left">
+                <GroupBox Grid.Row="1" Grid.Column="1" Width="300" Height="200" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Padding="10" Margin="16" Style="{StaticResource GroupBoxTab}" hc:TitleElement.TitlePlacement="Left">
                     <Border Background="{DynamicResource PrimaryBrush}" CornerRadius="4">
                         <TextBlock Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="White"/>
                     </Border>
@@ -41,7 +41,7 @@
                 <GroupBox Grid.Row="2" Grid.Column="0" Width="300" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="16" Style="{StaticResource GroupBoxOriginal}" HorizontalContentAlignment="Left">
                     <TextBox/>
                 </GroupBox>
-                <GroupBox Grid.Row="2" VerticalAlignment="Bottom" Grid.Column="1" Width="300" hc:TitleElement.TitleWidth="100" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="16" Style="{StaticResource GroupBoxOriginal}" HorizontalContentAlignment="Left" hc:TitleElement.TitleAlignment="Left">
+                <GroupBox Grid.Row="2" VerticalAlignment="Bottom" Grid.Column="1" Width="300" hc:TitleElement.TitleWidth="100" Header="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="16" Style="{StaticResource GroupBoxOriginal}" HorizontalContentAlignment="Left" hc:TitleElement.TitlePlacement="Left">
                     <ComboBox DataContext="{Binding ComboBoxDemo,Source={StaticResource Locator}}" ItemsSource="{Binding DataList}"/>
                 </GroupBox>
             </Grid>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeComboBoxDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeComboBoxDemoCtl.xaml
index c5dd74a5..f3cfec69 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeComboBoxDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeComboBoxDemoCtl.xaml
@@ -18,10 +18,10 @@
                 <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" SelectedIndex="0" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
                 <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource ComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource ComboBoxExtend}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
-                <ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0"/>
-                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
-                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0"/>
+                <ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource ComboBoxExtend}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0"/>
+                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+                <ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource ComboBoxExtend}" Margin="0,16,0,0"/>
             </StackPanel>
         </ScrollViewer>
     </hc:TransitioningContentControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeDatePickerDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeDatePickerDemoCtl.xaml
index 0aa001ca..e33dce5b 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeDatePickerDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeDatePickerDemoCtl.xaml
@@ -14,8 +14,8 @@
             <DatePicker SelectedDate="{x:Static system:DateTime.Now}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0"/>
             <DatePicker SelectedDate="{x:Static system:DateTime.Now}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-            <DatePicker SelectedDate="{x:Static system:DateTime.Now}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
-            <DatePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+            <DatePicker SelectedDate="{x:Static system:DateTime.Now}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0"/>
+            <DatePicker Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource DatePickerExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
         </StackPanel>
     </hc:TransitioningContentControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativePasswordBoxDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativePasswordBoxDemoCtl.xaml
index 5629c8e8..97fb8a2b 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativePasswordBoxDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativePasswordBoxDemoCtl.xaml
@@ -13,8 +13,8 @@
             <PasswordBox hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Password="123456" Margin="0,32,0,0" Style="{StaticResource PasswordBoxExtend}"/>
             <PasswordBox hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource PasswordBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-            <PasswordBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource PasswordBoxExtend}" Margin="0,32,0,0" Password="123456"/>
-            <PasswordBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource PasswordBoxExtend}" Margin="0,16,0,0"/>
+            <PasswordBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource PasswordBoxExtend}" Margin="0,32,0,0" Password="123456"/>
+            <PasswordBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource PasswordBoxExtend}" Margin="0,16,0,0"/>
 
         </StackPanel>
     </hc:TransitioningContentControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeTextBoxDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeTextBoxDemoCtl.xaml
index 73e48af4..6a8c6e6f 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeTextBoxDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Styles/NativeTextBoxDemoCtl.xaml
@@ -12,8 +12,8 @@
 
             <TextBox hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Style="{StaticResource TextBoxExtend}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
             <TextBox hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource TextBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
-            <TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource TextBoxExtend}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
-            <TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitleAlignment="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource TextBoxExtend}" Margin="0,16,0,0"/>
+            <TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource TextBoxExtend}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
+            <TextBox Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Style="{StaticResource TextBoxExtend}" Margin="0,16,0,0"/>
         </StackPanel>
     </hc:TransitioningContentControl>
 </UserControl>
diff --git a/src/Shared/HandyControl_Shared/Controls/Attach/TitleElement.cs b/src/Shared/HandyControl_Shared/Controls/Attach/TitleElement.cs
index f185f98f..5810e294 100644
--- a/src/Shared/HandyControl_Shared/Controls/Attach/TitleElement.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Attach/TitleElement.cs
@@ -45,14 +45,14 @@ namespace HandyControl.Controls
         /// <summary>
         ///     标题对齐方式
         /// </summary>
-        public static readonly DependencyProperty TitleAlignmentProperty = DependencyProperty.RegisterAttached(
-            "TitleAlignment", typeof(TitleAlignment), typeof(TitleElement), new FrameworkPropertyMetadata(TitleAlignment.Top, FrameworkPropertyMetadataOptions.Inherits));
+        public static readonly DependencyProperty TitlePlacementProperty = DependencyProperty.RegisterAttached(
+            "TitlePlacement", typeof(TitlePlacementType), typeof(TitleElement), new FrameworkPropertyMetadata(TitlePlacementType.Top, FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetTitleAlignment(DependencyObject element, TitleAlignment value)
-            => element.SetValue(TitleAlignmentProperty, value);
+        public static void SetTitlePlacement(DependencyObject element, TitlePlacementType value)
+            => element.SetValue(TitlePlacementProperty, value);
 
-        public static TitleAlignment GetTitleAlignment(DependencyObject element)
-            => (TitleAlignment) element.GetValue(TitleAlignmentProperty);
+        public static TitlePlacementType GetTitlePlacement(DependencyObject element)
+            => (TitlePlacementType) element.GetValue(TitlePlacementProperty);
 
         /// <summary>
         ///     标题宽度
diff --git a/src/Shared/HandyControl_Shared/Data/Enum/TitleAlignment.cs b/src/Shared/HandyControl_Shared/Data/Enum/TitlePlacementType.cs
similarity index 80%
rename from src/Shared/HandyControl_Shared/Data/Enum/TitleAlignment.cs
rename to src/Shared/HandyControl_Shared/Data/Enum/TitlePlacementType.cs
index d130df89..ce9d6402 100644
--- a/src/Shared/HandyControl_Shared/Data/Enum/TitleAlignment.cs
+++ b/src/Shared/HandyControl_Shared/Data/Enum/TitlePlacementType.cs
@@ -4,7 +4,7 @@ namespace HandyControl.Data
     /// <summary>
     ///     标题对齐方式
     /// </summary>
-    public enum TitleAlignment
+    public enum TitlePlacementType
     {
         Left,
         Top
diff --git a/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems b/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
index bb341e7a..e4d5908b 100644
--- a/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
+++ b/src/Shared/HandyControl_Shared/HandyControl_Shared.projitems
@@ -214,7 +214,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\StepStatus.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\TextType.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\PlacementType.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\TitleAlignment.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Data\Enum\TitlePlacementType.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\Gif\GifFrameDimension.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\Gif\GifImageInfo.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\Gif\GifPropertyItem.cs" />
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/ComboBoxBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/ComboBoxBaseStyle.xaml
index 1d93aa88..d770a4e2 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/ComboBoxBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/ComboBoxBaseStyle.xaml
@@ -571,21 +571,21 @@
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="False"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Left"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Left"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxLeftTemplate}"/>
             </MultiTrigger>
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Top"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Top"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxEditableTopTemplate}"/>
             </MultiTrigger>
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Left"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Left"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxEditableLeftTemplate}"/>
             </MultiTrigger>
@@ -1364,21 +1364,21 @@
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="False"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Left"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Left"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxPlusLeftTemplate}"/>
             </MultiTrigger>
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Top"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Top"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxPlusEditableTopTemplate}"/>
             </MultiTrigger>
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Top"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Top"/>
                     <Condition Property="AutoComplete" Value="True"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxPlusEditableTopAutoCompleteTemplate}"/>
@@ -1386,14 +1386,14 @@
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Left"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Left"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxPlusEditableLeftTemplate}"/>
             </MultiTrigger>
             <MultiTrigger>
                 <MultiTrigger.Conditions>
                     <Condition Property="IsEditable" Value="True"/>
-                    <Condition Property="controls:InfoElement.TitleAlignment" Value="Left"/>
+                    <Condition Property="controls:InfoElement.TitlePlacement" Value="Left"/>
                     <Condition Property="AutoComplete" Value="True"/>
                 </MultiTrigger.Conditions>
                 <Setter Property="Template" Value="{StaticResource ComboBoxPlusEditableLeftAutoCompleteTemplate}"/>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/DatePickerBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/DatePickerBaseStyle.xaml
index 6b9a2f0a..c7659b1e 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/DatePickerBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/DatePickerBaseStyle.xaml
@@ -188,7 +188,7 @@
         <Setter Property="controls:InfoElement.MinContentHeight" Value="{StaticResource DefaultControlHeight}"/>
         <Setter Property="Template" Value="{StaticResource DatePickerExtendTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource DatePickerExtendLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
@@ -350,7 +350,7 @@
     <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">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource DatePickerPlusLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/DateTimePickerBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/DateTimePickerBaseStyle.xaml
index 05dc14eb..95dce88d 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/DateTimePickerBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/DateTimePickerBaseStyle.xaml
@@ -169,7 +169,7 @@
         <Setter Property="controls:InfoElement.MinContentHeight" Value="{StaticResource DefaultControlHeight}"/>
         <Setter Property="Template" Value="{StaticResource DateTimePickerExtendTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource DateTimePickerExtendLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
@@ -331,7 +331,7 @@
     <Style x:Key="DateTimePickerPlusBaseStyle" BasedOn="{StaticResource DateTimePickerExtendBaseStyle}" TargetType="controls:DateTimePicker">
         <Setter Property="Template" Value="{StaticResource DateTimePickerPlusTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource DateTimePickerPlusLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/GroupBoxBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/GroupBoxBaseStyle.xaml
index 203fc671..c7636643 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/GroupBoxBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/GroupBoxBaseStyle.xaml
@@ -49,7 +49,7 @@
         <Setter Property="Background" Value="{DynamicResource SecondaryRegionBrush}"/>
         <Setter Property="Foreground" Value="{DynamicResource TextIconBrush}"/>
         <Setter Property="controls:TitleElement.Background" Value="{DynamicResource TitleBrush}"/>
-        <Setter Property="controls:TitleElement.TitleAlignment" Value="Top"/>
+        <Setter Property="controls:TitleElement.TitlePlacement" Value="Top"/>
         <Setter Property="controls:BorderElement.CornerRadius" Value="{StaticResource DefaultCornerRadius}"/>
         <Setter Property="VerticalContentAlignment" Value="Center"/>
         <Setter Property="HorizontalContentAlignment" Value="Center"/>
@@ -57,7 +57,7 @@
         <Setter Property="Padding" Value="4"/>
         <Setter Property="Template" Value="{StaticResource GroupBoxBaseTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:TitleElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:TitleElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource GroupBoxBaseLeftTemplate}"/>
             </Trigger>
         </Style.Triggers>
@@ -103,7 +103,7 @@
         <Setter Property="Padding" Value="0"/>
         <Setter Property="Template" Value="{StaticResource GroupBoxOriginalTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:TitleElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:TitleElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource GroupBoxOriginalLeftTemplate}"/>
             </Trigger>
         </Style.Triggers>
@@ -148,7 +148,7 @@
     <Style x:Key="GroupBoxTabBaseStyle" BasedOn="{StaticResource GroupBoxBaseStyle}" TargetType="GroupBox">
         <Setter Property="Template" Value="{StaticResource GroupBoxTabTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:TitleElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:TitleElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource GroupBoxTabLeftTemplate}"/>
             </Trigger>
         </Style.Triggers>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/NumericUpDownBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/NumericUpDownBaseStyle.xaml
index f0388393..dfdb628d 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/NumericUpDownBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/NumericUpDownBaseStyle.xaml
@@ -149,7 +149,7 @@
         <Setter Property="Height" Value="Auto"/>
         <Setter Property="Template" Value="{StaticResource NumericUpDownExtendTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource NumericUpDownExtendLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
@@ -293,7 +293,7 @@
     <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">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource NumericUpDownPlusLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/PasswordBoxBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/PasswordBoxBaseStyle.xaml
index fcd244ca..3c6fec5d 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/PasswordBoxBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/PasswordBoxBaseStyle.xaml
@@ -123,7 +123,7 @@
         <Setter Property="controls:PasswordBoxAttach.IsMonitoring" Value="True"/>
         <Setter Property="Template" Value="{StaticResource PasswordBoxExtendTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource PasswordBoxExtendLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
@@ -301,7 +301,7 @@
         <Setter Property="Focusable" Value="False"/>
         <Setter Property="Template" Value="{StaticResource PasswordBoxPlusTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource PasswordBoxPlusLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/SearchBarBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/SearchBarBaseStyle.xaml
index bd8be7a5..4dc9c3bb 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/SearchBarBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/SearchBarBaseStyle.xaml
@@ -116,7 +116,7 @@
         <Setter Property="controls:InfoElement.MinContentHeight" Value="{StaticResource DefaultControlHeight}"/>
         <Setter Property="Template" Value="{StaticResource SearchBarExtendTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource SearchBarExtendLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
@@ -250,7 +250,7 @@
     <Style x:Key="SearchBarPlusBaseStyle" BasedOn="{StaticResource SearchBarExtendBaseStyle}" TargetType="controls:SearchBar">
         <Setter Property="Template" Value="{StaticResource SearchBarPlusTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource SearchBarPlusLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/TextBoxBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/TextBoxBaseStyle.xaml
index d6d3a0b7..9c17ad93 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/TextBoxBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/TextBoxBaseStyle.xaml
@@ -135,7 +135,7 @@
         <Setter Property="Height" Value="Auto"/>
         <Setter Property="Template" Value="{StaticResource TextBoxExtendTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource TextBoxExtendLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
@@ -265,7 +265,7 @@
     <Style x:Key="TextBoxPlusBaseStyle" BasedOn="{StaticResource TextBoxExtendBaseStyle}" TargetType="controls:TextBox">
         <Setter Property="Template" Value="{StaticResource TextBoxPlusTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource TextBoxPlusLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/TimePickerBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/TimePickerBaseStyle.xaml
index 94188ce5..6dbfb166 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/TimePickerBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/TimePickerBaseStyle.xaml
@@ -169,7 +169,7 @@
         <Setter Property="controls:InfoElement.MinContentHeight" Value="{StaticResource DefaultControlHeight}"/>
         <Setter Property="Template" Value="{StaticResource TimePickerExtendTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource TimePickerExtendLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>
@@ -331,7 +331,7 @@
     <Style x:Key="TimePickerPlusBaseStyle" BasedOn="{StaticResource TimePickerExtendBaseStyle}" TargetType="controls:TimePicker">
         <Setter Property="Template" Value="{StaticResource TimePickerPlusTopTemplate}"/>
         <Style.Triggers>
-            <Trigger Property="controls:InfoElement.TitleAlignment" Value="Left">
+            <Trigger Property="controls:InfoElement.TitlePlacement" Value="Left">
                 <Setter Property="Template" Value="{StaticResource TimePickerPlusLeftTemplate}"/>
                 <Setter Property="Width" Value="Auto"/>
             </Trigger>