diff --git a/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/CheckComboBoxBaseStyle.xaml b/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/CheckComboBoxBaseStyle.xaml
index 0b7f2484..2265496d 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/CheckComboBoxBaseStyle.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Styles/Base/CheckComboBoxBaseStyle.xaml
@@ -7,7 +7,6 @@
                     xmlns:langs="clr-namespace:HandyControl.Properties.Langs">
 
     <Style x:Key="Tag4CheckComboBoxStyle" BasedOn="{StaticResource TagBaseStyle}" TargetType="hc:Tag">
-        <Setter Property="Margin" Value="0,3,3,0"/>
         <Setter Property="Padding" Value="6,3,4,3"/>
         <Setter Property="Height" Value="Auto"/>
         <Setter Property="Template">
@@ -49,7 +48,7 @@
                             <ColumnDefinition Width="30"/>
                         </Grid.ColumnDefinitions>
                         <Border Grid.ColumnSpan="2" CornerRadius="{Binding Path=(hc: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"/>
+                        <Path Grid.Column="1" x:Name="arrow" Data="{StaticResource DownGeometry}" Stretch="Uniform" Fill="{TemplateBinding BorderBrush}" HorizontalAlignment="Center" Width="16" VerticalAlignment="Center"/>
                         <Border Margin="1" Grid.Column="0" Visibility="{Binding SelectedItem,RelativeSource={RelativeSource AncestorType=hc:CheckComboBox},Converter={StaticResource Object2VisibilityReConverter}}">
                             <ContentPresenter Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                         </Border>
@@ -124,7 +123,7 @@
             </Popup>
             <ToggleButton Grid.Column="0" x:Name="toggleButton" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.ColumnSpan="2" IsChecked="{Binding IsDropDownOpen,RelativeSource={RelativeSource TemplatedParent},Mode=TwoWay}" Style="{StaticResource CheckComboBoxToggleButton}"/>
             <Border Grid.Column="0" Margin="-1,1">
-                <WrapPanel Name="PART_Panel" Margin="5,0,5,3"/>
+                <hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center"/>
             </Border>
         </Grid>
         <ControlTemplate.Triggers>
@@ -162,6 +161,7 @@
         <Setter Property="Background" Value="{DynamicResource RegionBrush}"/>
         <Setter Property="ItemContainerStyle" Value="{StaticResource CheckComboBoxItemBaseStyle}"/>
         <Setter Property="hc:BorderElement.CornerRadius" Value="{StaticResource DefaultCornerRadius}"/>
+        <Setter Property="hc:TitleElement.MarginOnTheLeft" Value="0,8,6,8"/>
         <Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}"/>
         <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
         <Setter Property="BorderThickness" Value="1"/>
@@ -171,7 +171,7 @@
         <Setter Property="ScrollViewer.CanContentScroll" Value="true"/>
         <Setter Property="ScrollViewer.PanningMode" Value="Both"/>
         <Setter Property="Stylus.IsFlicksEnabled" Value="False"/>
-        <Setter Property="Padding" Value="{StaticResource DefaultInputPadding}"/>
+        <Setter Property="Padding" Value="6,3"/>
         <Setter Property="Template" Value="{StaticResource CheckComboBoxTemplate}"/>
         <Setter Property="VerticalContentAlignment" Value="Center"/>
         <Setter Property="Validation.ErrorTemplate" Value="{x:Null}"/>
@@ -215,8 +215,8 @@
                 </Decorator>
             </Popup>
             <ToggleButton Grid.Row="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}"/>
-            <Border Grid.Row="1" Grid.Column="0" Margin="1,0">
-                <WrapPanel Name="PART_Panel" Margin="3,1,3,4"/>
+            <Border Grid.Row="1" Grid.Column="0" Margin="-1,1">
+                <hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center"/>
             </Border>
         </Grid>
         <ControlTemplate.Triggers>
@@ -254,7 +254,7 @@
                 <ColumnDefinition/>
                 <ColumnDefinition Width="30"/>
             </Grid.ColumnDefinitions>
-            <DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="0,7,6,7">
+            <DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{Binding Path=(hc:TitleElement.MarginOnTheLeft),RelativeSource={RelativeSource TemplatedParent}}">
                 <ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
                 <TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
             </DockPanel>
@@ -282,8 +282,8 @@
                 </Decorator>
             </Popup>
             <ToggleButton Grid.Column="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}"/>
-            <Border Grid.Column="1" Margin="1,0">
-                <WrapPanel Name="PART_Panel" Margin="3,1,3,4"/>
+            <Border Grid.Column="1" Margin="-1,1">
+                <hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center"/>
             </Border>
         </Grid>
         <ControlTemplate.Triggers>
@@ -374,10 +374,10 @@
             </Popup>
             <TextBlock Grid.Column="0" Grid.ColumnSpan="2" FontSize="12" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="9,0,0,4" Foreground="{DynamicResource DangerBrush}" Grid.Row="1"/>
             <ToggleButton Grid.Row="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}"/>
-            <Border Grid.Row="1" Grid.Column="0" Margin="1,0">
-                <WrapPanel Name="PART_Panel" Margin="3,1,3,4"/>
+            <Border Grid.Row="1" Grid.Column="0" Margin="-1,1">
+                <hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center"/>
             </Border>
-            <Button Grid.Row="1" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}"/>
+            <Button Height="{x:Static system:Double.NaN}" Grid.Row="1" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}"/>
         </Grid>
         <ControlTemplate.Triggers>
             <Trigger Property="HasItems" Value="false">
@@ -452,7 +452,7 @@
                 <ColumnDefinition/>
                 <ColumnDefinition Width="Auto" MinWidth="30"/>
             </Grid.ColumnDefinitions>
-            <DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="0,7,6,7">
+            <DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{Binding Path=(hc:TitleElement.MarginOnTheLeft),RelativeSource={RelativeSource TemplatedParent}}">
                 <ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
                 <TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
             </DockPanel>
@@ -481,10 +481,10 @@
             </Popup>
             <TextBlock Grid.Column="1" Grid.ColumnSpan="2" FontSize="12" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="9,0,0,4" Foreground="{DynamicResource DangerBrush}"/>
             <ToggleButton Grid.Column="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}"/>
-            <Border Grid.Column="1" Margin="1,0">
-                <WrapPanel Name="PART_Panel" Margin="3,1,3,4"/>
+            <Border Grid.Column="1" Margin="-1,1">
+                <hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center"/>
             </Border>
-            <Button Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="2" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}"/>
+            <Button Height="{x:Static system:Double.NaN}" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="2" Style="{StaticResource ButtonIcon}" Padding="0" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}"/>
         </Grid>
         <ControlTemplate.Triggers>
             <Trigger Property="HasItems" Value="false">
diff --git a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
index 79b9ab79..8a3e9acf 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
@@ -2739,8 +2739,8 @@
 							<ColumnDefinition Width="Auto" />
 							<ColumnDefinition Width="*" />
 						</Grid.ColumnDefinitions>
-						<Border Height="18" Width="18" x:Name="checkBoxBorder" Background="{TemplateBinding Background}" CornerRadius="2" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" />
-						<hc:SimplePanel Grid.Column="0" Height="18" Width="18" x:Name="markGrid">
+						<Border Height="16" Width="16" x:Name="checkBoxBorder" Background="{TemplateBinding Background}" CornerRadius="2" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" />
+						<hc:SimplePanel Grid.Column="0" Height="16" Width="16" x:Name="markGrid">
 							<Path FlowDirection="LeftToRight" UseLayoutRounding="True" x:Name="path" StrokeDashOffset="8" StrokeDashArray="8,8" Width="12" Height="12" Data="{StaticResource CheckedGeometry}" StrokeThickness="2" Stretch="Uniform" Stroke="{DynamicResource TextIconBrush}" />
 							<Rectangle x:Name="indeterminateMark" RadiusX="2" RadiusY="2" Fill="{DynamicResource PrimaryBrush}" Margin="2" Opacity="0" />
 						</hc:SimplePanel>
@@ -6997,7 +6997,6 @@
 		</Style.Triggers>
 	</Style>
 	<Style x:Key="Tag4CheckComboBoxStyle" BasedOn="{StaticResource TagBaseStyle}" TargetType="hc:Tag">
-		<Setter Property="Margin" Value="0,3,3,0" />
 		<Setter Property="Padding" Value="6,3,4,3" />
 		<Setter Property="Height" Value="Auto" />
 		<Setter Property="Template">
@@ -7037,7 +7036,7 @@
 							<ColumnDefinition Width="30" />
 						</Grid.ColumnDefinitions>
 						<Border Grid.ColumnSpan="2" CornerRadius="{Binding Path=(hc: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" />
+						<Path Grid.Column="1" x:Name="arrow" Data="{StaticResource DownGeometry}" Stretch="Uniform" Fill="{TemplateBinding BorderBrush}" HorizontalAlignment="Center" Width="16" VerticalAlignment="Center" />
 						<Border Margin="1" Grid.Column="0" Visibility="{Binding SelectedItem,RelativeSource={RelativeSource AncestorType=hc:CheckComboBox},Converter={StaticResource Object2VisibilityReConverter}}">
 							<ContentPresenter Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
 						</Border>
@@ -7110,7 +7109,7 @@
 			</Popup>
 			<ToggleButton Grid.Column="0" x:Name="toggleButton" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.ColumnSpan="2" IsChecked="{Binding IsDropDownOpen,RelativeSource={RelativeSource TemplatedParent},Mode=TwoWay}" Style="{StaticResource CheckComboBoxToggleButton}" />
 			<Border Grid.Column="0" Margin="-1,1">
-				<WrapPanel Name="PART_Panel" Margin="5,0,5,3" />
+				<hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center" />
 			</Border>
 		</Grid>
 		<ControlTemplate.Triggers>
@@ -7147,6 +7146,7 @@
 		<Setter Property="Background" Value="{DynamicResource RegionBrush}" />
 		<Setter Property="ItemContainerStyle" Value="{StaticResource CheckComboBoxItemBaseStyle}" />
 		<Setter Property="hc:BorderElement.CornerRadius" Value="{StaticResource DefaultCornerRadius}" />
+		<Setter Property="hc:TitleElement.MarginOnTheLeft" Value="0,8,6,8" />
 		<Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}" />
 		<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
 		<Setter Property="BorderThickness" Value="1" />
@@ -7156,7 +7156,7 @@
 		<Setter Property="ScrollViewer.CanContentScroll" Value="true" />
 		<Setter Property="ScrollViewer.PanningMode" Value="Both" />
 		<Setter Property="Stylus.IsFlicksEnabled" Value="False" />
-		<Setter Property="Padding" Value="{StaticResource DefaultInputPadding}" />
+		<Setter Property="Padding" Value="6,3" />
 		<Setter Property="Template" Value="{StaticResource CheckComboBoxTemplate}" />
 		<Setter Property="VerticalContentAlignment" Value="Center" />
 		<Setter Property="Validation.ErrorTemplate" Value="{x:Null}" />
@@ -7199,8 +7199,8 @@
 				</Decorator>
 			</Popup>
 			<ToggleButton Grid.Row="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}" />
-			<Border Grid.Row="1" Grid.Column="0" Margin="1,0">
-				<WrapPanel Name="PART_Panel" Margin="3,1,3,4" />
+			<Border Grid.Row="1" Grid.Column="0" Margin="-1,1">
+				<hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center" />
 			</Border>
 		</Grid>
 		<ControlTemplate.Triggers>
@@ -7237,7 +7237,7 @@
 				<ColumnDefinition />
 				<ColumnDefinition Width="30" />
 			</Grid.ColumnDefinitions>
-			<DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="0,7,6,7">
+			<DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{Binding Path=(hc:TitleElement.MarginOnTheLeft),RelativeSource={RelativeSource TemplatedParent}}">
 				<ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}" />
 				<TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}" />
 			</DockPanel>
@@ -7265,8 +7265,8 @@
 				</Decorator>
 			</Popup>
 			<ToggleButton Grid.Column="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}" />
-			<Border Grid.Column="1" Margin="1,0">
-				<WrapPanel Name="PART_Panel" Margin="3,1,3,4" />
+			<Border Grid.Column="1" Margin="-1,1">
+				<hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center" />
 			</Border>
 		</Grid>
 		<ControlTemplate.Triggers>
@@ -7355,10 +7355,10 @@
 			</Popup>
 			<TextBlock Grid.Column="0" Grid.ColumnSpan="2" FontSize="12" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="9,0,0,4" Foreground="{DynamicResource DangerBrush}" Grid.Row="1" />
 			<ToggleButton Grid.Row="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}" />
-			<Border Grid.Row="1" Grid.Column="0" Margin="1,0">
-				<WrapPanel Name="PART_Panel" Margin="3,1,3,4" />
+			<Border Grid.Row="1" Grid.Column="0" Margin="-1,1">
+				<hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center" />
 			</Border>
-			<Button Grid.Row="1" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}" />
+			<Button Height="{x:Static system:Double.NaN}" Grid.Row="1" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}" />
 		</Grid>
 		<ControlTemplate.Triggers>
 			<Trigger Property="HasItems" Value="false">
@@ -7432,7 +7432,7 @@
 				<ColumnDefinition />
 				<ColumnDefinition Width="Auto" MinWidth="30" />
 			</Grid.ColumnDefinitions>
-			<DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="0,7,6,7">
+			<DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{Binding Path=(hc:TitleElement.MarginOnTheLeft),RelativeSource={RelativeSource TemplatedParent}}">
 				<ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}" />
 				<TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}" />
 			</DockPanel>
@@ -7461,10 +7461,10 @@
 			</Popup>
 			<TextBlock Grid.Column="1" Grid.ColumnSpan="2" FontSize="12" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="9,0,0,4" Foreground="{DynamicResource DangerBrush}" />
 			<ToggleButton Grid.Column="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}" />
-			<Border Grid.Column="1" Margin="1,0">
-				<WrapPanel Name="PART_Panel" Margin="3,1,3,4" />
+			<Border Grid.Column="1" Margin="-1,1">
+				<hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center" />
 			</Border>
-			<Button Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="2" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}" />
+			<Button Height="{x:Static system:Double.NaN}" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="2" Style="{StaticResource ButtonIcon}" Padding="0" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}" />
 		</Grid>
 		<ControlTemplate.Triggers>
 			<Trigger Property="HasItems" Value="false">
@@ -12012,8 +12012,30 @@
 	</Style>
 	<Style BasedOn="{StaticResource ChatBubbleBaseStyle}" TargetType="hc:ChatBubble" />
 	<Style BasedOn="{StaticResource CheckComboBoxBaseStyle}" TargetType="hc:CheckComboBox" />
+	<Style x:Key="Tag4CheckComboBoxStyle.Small" BasedOn="{StaticResource Tag4CheckComboBoxStyle}" TargetType="hc:Tag">
+		<Setter Property="Padding" Value="6,0,4,0" />
+	</Style>
+	<Style x:Key="CheckComboBox.Small" BasedOn="{StaticResource CheckComboBoxBaseStyle}" TargetType="hc:CheckComboBox">
+		<Setter Property="TagStyle" Value="{StaticResource Tag4CheckComboBoxStyle.Small}" />
+		<Setter Property="MinHeight" Value="20" />
+		<Setter Property="Padding" Value="6,1" />
+	</Style>
 	<Style x:Key="CheckComboBoxExtend" BasedOn="{StaticResource CheckComboBoxExtendBaseStyle}" TargetType="hc:CheckComboBox" />
+	<Style x:Key="CheckComboBoxExtend.Small" BasedOn="{StaticResource CheckComboBoxExtend}" TargetType="hc:CheckComboBox">
+		<Setter Property="TagStyle" Value="{StaticResource Tag4CheckComboBoxStyle.Small}" />
+		<Setter Property="hc:InfoElement.MinContentHeight" Value="20" />
+		<Setter Property="hc:TitleElement.MarginOnTheLeft" Value="0,3,6,3" />
+		<Setter Property="MinHeight" Value="20" />
+		<Setter Property="Padding" Value="6,1" />
+	</Style>
 	<Style x:Key="CheckComboBoxPlus" BasedOn="{StaticResource CheckComboBoxPlusBaseStyle}" TargetType="hc:CheckComboBox" />
+	<Style x:Key="CheckComboBoxPlus.Small" BasedOn="{StaticResource CheckComboBoxPlus}" TargetType="hc:CheckComboBox">
+		<Setter Property="TagStyle" Value="{StaticResource Tag4CheckComboBoxStyle.Small}" />
+		<Setter Property="hc:InfoElement.MinContentHeight" Value="20" />
+		<Setter Property="hc:TitleElement.MarginOnTheLeft" Value="0,3,6,3" />
+		<Setter Property="MinHeight" Value="20" />
+		<Setter Property="Padding" Value="6,1" />
+	</Style>
 	<Style x:Key="ClockRadioButtonStyle" TargetType="hc:ClockRadioButton">
 		<Setter Property="BorderThickness" Value="1" />
 		<Setter Property="VerticalContentAlignment" Value="Center" />
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/CheckComboBoxDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/CheckComboBoxDemoCtl.xaml
index 0f7e1235..6eb0f4a6 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/CheckComboBoxDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/CheckComboBoxDemoCtl.xaml
@@ -7,27 +7,49 @@
              xmlns:hc="https://handyorg.github.io/handycontrol"
              Background="{DynamicResource RegionBrush}">
     <hc:TransitioningContentControl>
-        <StackPanel Margin="32" Orientation="Horizontal">
-            <StackPanel>
-                <hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" ShowSelectAllButton="True"/>
-                <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxExtend}" Margin="0,16,0,0"  IsEnabled="False" ShowSelectAllButton="True"/>
+        <ScrollViewer>
+            <hc:UniformSpacingPanel Spacing="32" Margin="32" ChildWrapping="Wrap">
+                <StackPanel>
+                    <hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxExtend}" Margin="0,16,0,0"  IsEnabled="False" ShowSelectAllButton="True"/>
 
-                <hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
-                <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource CheckComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                    <hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource CheckComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <hc:CheckComboBox ShowClearButton="True" Width="380" ItemsSource="{Binding DataList}" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource CheckComboBoxExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
-                <hc:CheckComboBox Width="380" ItemsSource="{Binding DataList}" 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 CheckComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
-            </StackPanel>
-            <StackPanel Margin="32,0,0,0">
-                <hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxPlus}" ShowSelectAllButton="True"/>
-                <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" Margin="0,16,0,0" IsEnabled="False" Style="{StaticResource CheckComboBoxPlus}"/>
+                    <hc:CheckComboBox ShowClearButton="True" Width="380" ItemsSource="{Binding DataList}" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource CheckComboBoxExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox Width="380" ItemsSource="{Binding DataList}" 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 CheckComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                </StackPanel>
+                <StackPanel>
+                    <hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxPlus}" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" Margin="0,16,0,0" IsEnabled="False" Style="{StaticResource CheckComboBoxPlus}"/>
 
-                <hc:CheckComboBox MaxWidth="380" ShowClearButton="True" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
-                <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource CheckComboBoxPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                    <hc:CheckComboBox MaxWidth="380" ShowClearButton="True" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource CheckComboBoxPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
 
-                <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource CheckComboBoxPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
-                <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" ShowClearButton="True" 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 CheckComboBoxPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
-            </StackPanel>
-        </StackPanel>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource CheckComboBoxPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" ShowClearButton="True" 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 CheckComboBoxPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                </StackPanel>
+                <StackPanel>
+                    <hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" ShowSelectAllButton="True" Style="{StaticResource CheckComboBox.Small}"/>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxExtend.Small}" Margin="0,16,0,0"  IsEnabled="False" ShowSelectAllButton="True"/>
+
+                    <hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxExtend.Small}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource CheckComboBoxExtend.Small}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+
+                    <hc:CheckComboBox ShowClearButton="True" Width="380" ItemsSource="{Binding DataList}" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource CheckComboBoxExtend.Small}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox Width="380" ItemsSource="{Binding DataList}" 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 CheckComboBoxExtend.Small}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                </StackPanel>
+                <StackPanel>
+                    <hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxPlus.Small}" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" Margin="0,16,0,0" IsEnabled="False" Style="{StaticResource CheckComboBoxPlus.Small}"/>
+
+                    <hc:CheckComboBox MaxWidth="380" ShowClearButton="True" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxPlus.Small}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" Style="{StaticResource CheckComboBoxPlus.Small}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource CheckComboBoxPlus.Small}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
+                    <hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" ShowClearButton="True" 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 CheckComboBoxPlus.Small}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
+                </StackPanel>
+            </hc:UniformSpacingPanel>
+        </ScrollViewer>
     </hc:TransitioningContentControl>
 </UserControl>
diff --git a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/PasswordBoxDemoCtl.xaml b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/PasswordBoxDemoCtl.xaml
index db7985a3..1d2a0bd5 100644
--- a/src/Shared/HandyControlDemo_Shared/UserControl/Controls/PasswordBoxDemoCtl.xaml
+++ b/src/Shared/HandyControlDemo_Shared/UserControl/Controls/PasswordBoxDemoCtl.xaml
@@ -21,7 +21,7 @@
             <StackPanel>
                 <hc:PasswordBox Name="PasswordBoxDemoSmall" ShowClearButton="True" Password="123456" IsSafeEnabled="False" Style="{StaticResource PasswordBoxPlus.Small}"/>
                 <TextBox Text="{Binding UnsafePassword,ElementName=PasswordBoxDemoSmall,UpdateSourceTrigger=PropertyChanged}" Margin="0,6,0,0"/>
-                <hc:PasswordBox Password="123456" Margin="0,16,0,0"/>
+                <hc:PasswordBox Password="123456" Margin="0,16,0,0" Style="{StaticResource PasswordBoxPlus.Small}"/>
 
                 <hc:PasswordBox ShowClearButton="True" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Password="123456" Margin="0,32,0,0" Style="{StaticResource PasswordBoxPlus.Small}"/>
                 <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" Style="{StaticResource PasswordBoxPlus.Small}"/>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/CheckBoxBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/CheckBoxBaseStyle.xaml
index d7ddd88f..da4f8f45 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/CheckBoxBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/CheckBoxBaseStyle.xaml
@@ -43,8 +43,8 @@
                             <ColumnDefinition Width="Auto"/>
                             <ColumnDefinition Width="*"/>
                         </Grid.ColumnDefinitions>
-                        <Border Height="18" Width="18" x:Name="checkBoxBorder" Background="{TemplateBinding Background}" CornerRadius="2" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"/>
-                        <hc:SimplePanel Grid.Column="0" Height="18" Width="18" x:Name="markGrid">
+                        <Border Height="16" Width="16" x:Name="checkBoxBorder" Background="{TemplateBinding Background}" CornerRadius="2" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}"/>
+                        <hc:SimplePanel Grid.Column="0" Height="16" Width="16" x:Name="markGrid">
                             <Path FlowDirection="LeftToRight" UseLayoutRounding="True" x:Name="path" StrokeDashOffset="8" StrokeDashArray="8,8" Width="12" Height="12" Data="{StaticResource CheckedGeometry}" StrokeThickness="2" Stretch="Uniform" Stroke="{DynamicResource TextIconBrush}"/>
                             <Rectangle x:Name="indeterminateMark" RadiusX="2" RadiusY="2" Fill="{DynamicResource PrimaryBrush}" Margin="2" Opacity="0"/>
                         </hc:SimplePanel>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/CheckComboBoxBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/CheckComboBoxBaseStyle.xaml
index 0b335b95..7b466a0a 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/CheckComboBoxBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/CheckComboBoxBaseStyle.xaml
@@ -7,7 +7,6 @@
                     xmlns:langs="clr-namespace:HandyControl.Properties.Langs">
 
     <Style x:Key="Tag4CheckComboBoxStyle" BasedOn="{StaticResource TagBaseStyle}" TargetType="hc:Tag">
-        <Setter Property="Margin" Value="0,3,3,0"/>
         <Setter Property="Padding" Value="6,3,4,3"/>
         <Setter Property="Height" Value="Auto"/>
         <Setter Property="Template">
@@ -49,7 +48,7 @@
                             <ColumnDefinition Width="30"/>
                         </Grid.ColumnDefinitions>
                         <Border Grid.ColumnSpan="2" CornerRadius="{Binding Path=(hc: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"/>
+                        <Path Grid.Column="1" x:Name="arrow" Data="{StaticResource DownGeometry}" Stretch="Uniform" Fill="{TemplateBinding BorderBrush}" HorizontalAlignment="Center" Width="16" VerticalAlignment="Center"/>
                         <Border Margin="1" Grid.Column="0" Visibility="{Binding SelectedItem,RelativeSource={RelativeSource AncestorType=hc:CheckComboBox},Converter={StaticResource Object2VisibilityReConverter}}">
                             <ContentPresenter Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                         </Border>
@@ -124,7 +123,7 @@
             </Popup>
             <ToggleButton Grid.Column="0" x:Name="toggleButton" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.ColumnSpan="2" IsChecked="{Binding IsDropDownOpen,RelativeSource={RelativeSource TemplatedParent},Mode=TwoWay}" Style="{StaticResource CheckComboBoxToggleButton}"/>
             <Border Grid.Column="0" Margin="-1,1">
-                <WrapPanel Name="PART_Panel" Margin="5,0,5,3"/>
+                <hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center"/>
             </Border>
         </Grid>
         <ControlTemplate.Triggers>
@@ -169,6 +168,7 @@
         <Setter Property="Background" Value="{DynamicResource RegionBrush}"/>
         <Setter Property="ItemContainerStyle" Value="{StaticResource CheckComboBoxItemBaseStyle}"/>
         <Setter Property="hc:BorderElement.CornerRadius" Value="{StaticResource DefaultCornerRadius}"/>
+        <Setter Property="hc:TitleElement.MarginOnTheLeft" Value="0,8,6,8"/>
         <Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}"/>
         <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
         <Setter Property="BorderThickness" Value="1"/>
@@ -178,7 +178,7 @@
         <Setter Property="ScrollViewer.CanContentScroll" Value="true"/>
         <Setter Property="ScrollViewer.PanningMode" Value="Both"/>
         <Setter Property="Stylus.IsFlicksEnabled" Value="False"/>
-        <Setter Property="Padding" Value="{StaticResource DefaultInputPadding}"/>
+        <Setter Property="Padding" Value="6,3"/>
         <Setter Property="Template" Value="{StaticResource CheckComboBoxTemplate}"/>
         <Setter Property="VerticalContentAlignment" Value="Center"/>
         <Setter Property="Validation.ErrorTemplate" Value="{x:Null}"/>
@@ -194,10 +194,10 @@
                 <ColumnDefinition/>
                 <ColumnDefinition Width="30"/>
             </Grid.ColumnDefinitions>
-            <StackPanel Grid.ColumnSpan="2" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="{TemplateBinding Padding}">
-                <TextBlock Margin="1,0,0,0" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
-            </StackPanel>
+            <DockPanel Grid.ColumnSpan="2" LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{TemplateBinding Padding}">
+                <ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+                <TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Margin="1,0,1,0" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+            </DockPanel>
             <Popup x:Name="PART_Popup" Grid.Row="1" Grid.Column="0" PlacementTarget="{Binding ElementName=toggleButton}" AllowsTransparency="true" Grid.ColumnSpan="2" StaysOpen="False" IsOpen="{Binding IsDropDownOpen,RelativeSource={RelativeSource TemplatedParent},Mode=TwoWay}" Margin="1" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" Placement="Bottom">
                 <Decorator Margin="8 0">
                     <Border Effect="{StaticResource EffectShadow2}" BorderThickness="0,1,0,0" Margin="0,0,0,8" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" x:Name="dropDownBorder" MaxHeight="{TemplateBinding MaxDropDownHeight}" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource RegionBrush}">
@@ -222,8 +222,8 @@
                 </Decorator>
             </Popup>
             <ToggleButton Grid.Row="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}"/>
-            <Border Grid.Row="1" Grid.Column="0" Margin="1,0">
-                <WrapPanel Name="PART_Panel" Margin="3,1,3,4"/>
+            <Border Grid.Row="1" Grid.Column="0" Margin="-1,1">
+                <hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center"/>
             </Border>
         </Grid>
         <ControlTemplate.Triggers>
@@ -268,10 +268,10 @@
                 <ColumnDefinition/>
                 <ColumnDefinition Width="30"/>
             </Grid.ColumnDefinitions>
-            <StackPanel VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,7" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal">
-                <TextBlock Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
-            </StackPanel>
+            <DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{Binding Path=(hc:TitleElement.MarginOnTheLeft),RelativeSource={RelativeSource TemplatedParent}}">
+                <ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+                <TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+            </DockPanel>
             <Popup Grid.Column="1" x:Name="PART_Popup" PlacementTarget="{Binding ElementName=toggleButton}" AllowsTransparency="true" Grid.ColumnSpan="2" StaysOpen="False" IsOpen="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Margin="1" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" Placement="Bottom">
                 <Decorator Margin="8 0">
                     <Border Effect="{StaticResource EffectShadow2}" BorderThickness="0,1,0,0" Margin="0,0,0,8" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" x:Name="dropDownBorder" MaxHeight="{TemplateBinding MaxDropDownHeight}" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource RegionBrush}">
@@ -296,8 +296,8 @@
                 </Decorator>
             </Popup>
             <ToggleButton Grid.Column="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}"/>
-            <Border Grid.Column="1" Margin="1,0">
-                <WrapPanel Name="PART_Panel" Margin="3,1,3,4"/>
+            <Border Grid.Column="1" Margin="-1,1">
+                <hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center"/>
             </Border>
         </Grid>
         <ControlTemplate.Triggers>
@@ -366,10 +366,10 @@
                 <ColumnDefinition/>
                 <ColumnDefinition Width="Auto" MinWidth="30"/>
             </Grid.ColumnDefinitions>
-            <StackPanel Grid.ColumnSpan="2" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="{TemplateBinding Padding}">
-                <TextBlock Margin="1,0,0,0" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
-            </StackPanel>
+            <DockPanel Grid.ColumnSpan="2" LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{TemplateBinding Padding}">
+                <ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+                <TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Margin="1,0,1,0" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+            </DockPanel>
             <Popup Grid.Row="1" Grid.Column="0" x:Name="PART_Popup" PlacementTarget="{Binding ElementName=toggleButton}" AllowsTransparency="true" Grid.ColumnSpan="2" StaysOpen="False" IsOpen="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Margin="1" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" Placement="Bottom">
                 <Decorator Margin="8 0">
                     <Border Effect="{StaticResource EffectShadow2}" BorderThickness="0,1,0,0" Margin="0,0,0,8" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" x:Name="dropDownBorder" MaxHeight="{TemplateBinding MaxDropDownHeight}" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource RegionBrush}">
@@ -395,10 +395,10 @@
             </Popup>
             <TextBlock Grid.Column="0" Grid.ColumnSpan="2" FontSize="12" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="9,0,0,4" Foreground="{DynamicResource DangerBrush}" Grid.Row="1"/>
             <ToggleButton Grid.Row="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}"/>
-            <Border Grid.Row="1" Grid.Column="0" Margin="1,0">
-                <WrapPanel Name="PART_Panel" Margin="3,1,3,4"/>
+            <Border Grid.Row="1" Grid.Column="0" Margin="-1,1">
+                <hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center"/>
             </Border>
-            <Button Grid.Row="1" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}"/>
+            <Button Height="{x:Static system:Double.NaN}" Grid.Row="1" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}"/>
         </Grid>
         <ControlTemplate.Triggers>
             <Trigger Property="HasItems" Value="false">
@@ -480,10 +480,10 @@
                 <ColumnDefinition/>
                 <ColumnDefinition Width="Auto" MinWidth="30"/>
             </Grid.ColumnDefinitions>
-            <StackPanel VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,7" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal">
-                <TextBlock Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
-                <ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
-            </StackPanel>
+            <DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{Binding Path=(hc:TitleElement.MarginOnTheLeft),RelativeSource={RelativeSource TemplatedParent}}">
+                <ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}"/>
+                <TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}"/>
+            </DockPanel>
             <Popup Grid.Column="1" x:Name="PART_Popup" PlacementTarget="{Binding ElementName=toggleButton}" AllowsTransparency="true" Grid.ColumnSpan="2" StaysOpen="False" IsOpen="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Margin="1" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" Placement="Bottom">
                 <Decorator Margin="8 0">
                     <Border Effect="{StaticResource EffectShadow2}" BorderThickness="0,1,0,0" Margin="0,0,0,8" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" x:Name="dropDownBorder" MaxHeight="{TemplateBinding MaxDropDownHeight}" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource RegionBrush}">
@@ -509,10 +509,10 @@
             </Popup>
             <TextBlock Grid.Column="1" Grid.ColumnSpan="2" FontSize="12" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="9,0,0,4" Foreground="{DynamicResource DangerBrush}"/>
             <ToggleButton Grid.Column="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}"/>
-            <Border Grid.Column="1" Margin="1,0">
-                <WrapPanel Name="PART_Panel" Margin="3,1,3,4"/>
+            <Border Grid.Column="1" Margin="-1,1">
+                <hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center"/>
             </Border>
-            <Button Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="2" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}"/>
+            <Button Height="{x:Static system:Double.NaN}" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="2" Style="{StaticResource ButtonIcon}" Padding="0" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}"/>
         </Grid>
         <ControlTemplate.Triggers>
             <Trigger Property="HasItems" Value="false">
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/CheckComboBox.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/CheckComboBox.xaml
index 8465946c..f569812d 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/CheckComboBox.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/CheckComboBox.xaml
@@ -4,8 +4,34 @@
 
     <Style BasedOn="{StaticResource CheckComboBoxBaseStyle}" TargetType="hc:CheckComboBox"/>
 
+    <Style x:Key="Tag4CheckComboBoxStyle.Small" BasedOn="{StaticResource Tag4CheckComboBoxStyle}" TargetType="hc:Tag">
+        <Setter Property="Padding" Value="6,0,4,0"/>
+    </Style>
+
+    <Style x:Key="CheckComboBox.Small" BasedOn="{StaticResource CheckComboBoxBaseStyle}" TargetType="hc:CheckComboBox">
+        <Setter Property="TagStyle" Value="{StaticResource Tag4CheckComboBoxStyle.Small}"/>
+        <Setter Property="MinHeight" Value="20"/>
+        <Setter Property="Padding" Value="6,1"/>
+    </Style>
+
     <Style x:Key="CheckComboBoxExtend" BasedOn="{StaticResource CheckComboBoxExtendBaseStyle}" TargetType="hc:CheckComboBox"/>
 
+    <Style x:Key="CheckComboBoxExtend.Small" BasedOn="{StaticResource CheckComboBoxExtend}" TargetType="hc:CheckComboBox">
+        <Setter Property="TagStyle" Value="{StaticResource Tag4CheckComboBoxStyle.Small}"/>
+        <Setter Property="hc:InfoElement.MinContentHeight" Value="20"/>
+        <Setter Property="hc:TitleElement.MarginOnTheLeft" Value="0,3,6,3"/>
+        <Setter Property="MinHeight" Value="20"/>
+        <Setter Property="Padding" Value="6,1"/>
+    </Style>
+
     <Style x:Key="CheckComboBoxPlus" BasedOn="{StaticResource CheckComboBoxPlusBaseStyle}" TargetType="hc:CheckComboBox"/>
 
+    <Style x:Key="CheckComboBoxPlus.Small" BasedOn="{StaticResource CheckComboBoxPlus}" TargetType="hc:CheckComboBox">
+        <Setter Property="TagStyle" Value="{StaticResource Tag4CheckComboBoxStyle.Small}"/>
+        <Setter Property="hc:InfoElement.MinContentHeight" Value="20"/>
+        <Setter Property="hc:TitleElement.MarginOnTheLeft" Value="0,3,6,3"/>
+        <Setter Property="MinHeight" Value="20"/>
+        <Setter Property="Padding" Value="6,1"/>
+    </Style>
+
 </ResourceDictionary>
diff --git a/src/Shared/HandyControl_Shared/Themes/Theme.xaml b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
index 3d45b9e7..a8dc619d 100644
--- a/src/Shared/HandyControl_Shared/Themes/Theme.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
@@ -2739,8 +2739,8 @@
 							<ColumnDefinition Width="Auto" />
 							<ColumnDefinition Width="*" />
 						</Grid.ColumnDefinitions>
-						<Border Height="18" Width="18" x:Name="checkBoxBorder" Background="{TemplateBinding Background}" CornerRadius="2" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" />
-						<hc:SimplePanel Grid.Column="0" Height="18" Width="18" x:Name="markGrid">
+						<Border Height="16" Width="16" x:Name="checkBoxBorder" Background="{TemplateBinding Background}" CornerRadius="2" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" />
+						<hc:SimplePanel Grid.Column="0" Height="16" Width="16" x:Name="markGrid">
 							<Path FlowDirection="LeftToRight" UseLayoutRounding="True" x:Name="path" StrokeDashOffset="8" StrokeDashArray="8,8" Width="12" Height="12" Data="{StaticResource CheckedGeometry}" StrokeThickness="2" Stretch="Uniform" Stroke="{DynamicResource TextIconBrush}" />
 							<Rectangle x:Name="indeterminateMark" RadiusX="2" RadiusY="2" Fill="{DynamicResource PrimaryBrush}" Margin="2" Opacity="0" />
 						</hc:SimplePanel>
@@ -7080,7 +7080,6 @@
 		</Style.Triggers>
 	</Style>
 	<Style x:Key="Tag4CheckComboBoxStyle" BasedOn="{StaticResource TagBaseStyle}" TargetType="hc:Tag">
-		<Setter Property="Margin" Value="0,3,3,0" />
 		<Setter Property="Padding" Value="6,3,4,3" />
 		<Setter Property="Height" Value="Auto" />
 		<Setter Property="Template">
@@ -7120,7 +7119,7 @@
 							<ColumnDefinition Width="30" />
 						</Grid.ColumnDefinitions>
 						<Border Grid.ColumnSpan="2" CornerRadius="{Binding Path=(hc: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" />
+						<Path Grid.Column="1" x:Name="arrow" Data="{StaticResource DownGeometry}" Stretch="Uniform" Fill="{TemplateBinding BorderBrush}" HorizontalAlignment="Center" Width="16" VerticalAlignment="Center" />
 						<Border Margin="1" Grid.Column="0" Visibility="{Binding SelectedItem,RelativeSource={RelativeSource AncestorType=hc:CheckComboBox},Converter={StaticResource Object2VisibilityReConverter}}">
 							<ContentPresenter Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
 						</Border>
@@ -7193,7 +7192,7 @@
 			</Popup>
 			<ToggleButton Grid.Column="0" x:Name="toggleButton" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.ColumnSpan="2" IsChecked="{Binding IsDropDownOpen,RelativeSource={RelativeSource TemplatedParent},Mode=TwoWay}" Style="{StaticResource CheckComboBoxToggleButton}" />
 			<Border Grid.Column="0" Margin="-1,1">
-				<WrapPanel Name="PART_Panel" Margin="5,0,5,3" />
+				<hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center" />
 			</Border>
 		</Grid>
 		<ControlTemplate.Triggers>
@@ -7237,6 +7236,7 @@
 		<Setter Property="Background" Value="{DynamicResource RegionBrush}" />
 		<Setter Property="ItemContainerStyle" Value="{StaticResource CheckComboBoxItemBaseStyle}" />
 		<Setter Property="hc:BorderElement.CornerRadius" Value="{StaticResource DefaultCornerRadius}" />
+		<Setter Property="hc:TitleElement.MarginOnTheLeft" Value="0,8,6,8" />
 		<Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}" />
 		<Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}" />
 		<Setter Property="BorderThickness" Value="1" />
@@ -7246,7 +7246,7 @@
 		<Setter Property="ScrollViewer.CanContentScroll" Value="true" />
 		<Setter Property="ScrollViewer.PanningMode" Value="Both" />
 		<Setter Property="Stylus.IsFlicksEnabled" Value="False" />
-		<Setter Property="Padding" Value="{StaticResource DefaultInputPadding}" />
+		<Setter Property="Padding" Value="6,3" />
 		<Setter Property="Template" Value="{StaticResource CheckComboBoxTemplate}" />
 		<Setter Property="VerticalContentAlignment" Value="Center" />
 		<Setter Property="Validation.ErrorTemplate" Value="{x:Null}" />
@@ -7261,10 +7261,10 @@
 				<ColumnDefinition />
 				<ColumnDefinition Width="30" />
 			</Grid.ColumnDefinitions>
-			<StackPanel Grid.ColumnSpan="2" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="{TemplateBinding Padding}">
-				<TextBlock Margin="1,0,0,0" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}" />
-				<ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}" />
-			</StackPanel>
+			<DockPanel Grid.ColumnSpan="2" LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{TemplateBinding Padding}">
+				<ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}" />
+				<TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Margin="1,0,1,0" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}" />
+			</DockPanel>
 			<Popup x:Name="PART_Popup" Grid.Row="1" Grid.Column="0" PlacementTarget="{Binding ElementName=toggleButton}" AllowsTransparency="true" Grid.ColumnSpan="2" StaysOpen="False" IsOpen="{Binding IsDropDownOpen,RelativeSource={RelativeSource TemplatedParent},Mode=TwoWay}" Margin="1" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" Placement="Bottom">
 				<Decorator Margin="8 0">
 					<Border Effect="{StaticResource EffectShadow2}" BorderThickness="0,1,0,0" Margin="0,0,0,8" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" x:Name="dropDownBorder" MaxHeight="{TemplateBinding MaxDropDownHeight}" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource RegionBrush}">
@@ -7289,8 +7289,8 @@
 				</Decorator>
 			</Popup>
 			<ToggleButton Grid.Row="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}" />
-			<Border Grid.Row="1" Grid.Column="0" Margin="1,0">
-				<WrapPanel Name="PART_Panel" Margin="3,1,3,4" />
+			<Border Grid.Row="1" Grid.Column="0" Margin="-1,1">
+				<hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center" />
 			</Border>
 		</Grid>
 		<ControlTemplate.Triggers>
@@ -7334,10 +7334,10 @@
 				<ColumnDefinition />
 				<ColumnDefinition Width="30" />
 			</Grid.ColumnDefinitions>
-			<StackPanel VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,7" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal">
-				<TextBlock Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}" />
-				<ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}" />
-			</StackPanel>
+			<DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{Binding Path=(hc:TitleElement.MarginOnTheLeft),RelativeSource={RelativeSource TemplatedParent}}">
+				<ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}" />
+				<TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}" />
+			</DockPanel>
 			<Popup Grid.Column="1" x:Name="PART_Popup" PlacementTarget="{Binding ElementName=toggleButton}" AllowsTransparency="true" Grid.ColumnSpan="2" StaysOpen="False" IsOpen="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Margin="1" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" Placement="Bottom">
 				<Decorator Margin="8 0">
 					<Border Effect="{StaticResource EffectShadow2}" BorderThickness="0,1,0,0" Margin="0,0,0,8" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" x:Name="dropDownBorder" MaxHeight="{TemplateBinding MaxDropDownHeight}" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource RegionBrush}">
@@ -7362,8 +7362,8 @@
 				</Decorator>
 			</Popup>
 			<ToggleButton Grid.Column="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}" />
-			<Border Grid.Column="1" Margin="1,0">
-				<WrapPanel Name="PART_Panel" Margin="3,1,3,4" />
+			<Border Grid.Column="1" Margin="-1,1">
+				<hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center" />
 			</Border>
 		</Grid>
 		<ControlTemplate.Triggers>
@@ -7430,10 +7430,10 @@
 				<ColumnDefinition />
 				<ColumnDefinition Width="Auto" MinWidth="30" />
 			</Grid.ColumnDefinitions>
-			<StackPanel Grid.ColumnSpan="2" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal" Margin="{TemplateBinding Padding}">
-				<TextBlock Margin="1,0,0,0" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}" />
-				<ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}" />
-			</StackPanel>
+			<DockPanel Grid.ColumnSpan="2" LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{TemplateBinding Padding}">
+				<ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}" />
+				<TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Margin="1,0,1,0" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}" />
+			</DockPanel>
 			<Popup Grid.Row="1" Grid.Column="0" x:Name="PART_Popup" PlacementTarget="{Binding ElementName=toggleButton}" AllowsTransparency="true" Grid.ColumnSpan="2" StaysOpen="False" IsOpen="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Margin="1" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" Placement="Bottom">
 				<Decorator Margin="8 0">
 					<Border Effect="{StaticResource EffectShadow2}" BorderThickness="0,1,0,0" Margin="0,0,0,8" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" x:Name="dropDownBorder" MaxHeight="{TemplateBinding MaxDropDownHeight}" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource RegionBrush}">
@@ -7459,10 +7459,10 @@
 			</Popup>
 			<TextBlock Grid.Column="0" Grid.ColumnSpan="2" FontSize="12" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="9,0,0,4" Foreground="{DynamicResource DangerBrush}" Grid.Row="1" />
 			<ToggleButton Grid.Row="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}" />
-			<Border Grid.Row="1" Grid.Column="0" Margin="1,0">
-				<WrapPanel Name="PART_Panel" Margin="3,1,3,4" />
+			<Border Grid.Row="1" Grid.Column="0" Margin="-1,1">
+				<hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center" />
 			</Border>
-			<Button Grid.Row="1" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}" />
+			<Button Height="{x:Static system:Double.NaN}" Grid.Row="1" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="1" Style="{StaticResource ButtonIcon}" Padding="0" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}" />
 		</Grid>
 		<ControlTemplate.Triggers>
 			<Trigger Property="HasItems" Value="false">
@@ -7543,10 +7543,10 @@
 				<ColumnDefinition />
 				<ColumnDefinition Width="Auto" MinWidth="30" />
 			</Grid.ColumnDefinitions>
-			<StackPanel VerticalAlignment="{TemplateBinding VerticalContentAlignment}" Margin="0,7,6,7" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" Orientation="Horizontal">
-				<TextBlock Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}" />
-				<ContentPresenter TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}" />
-			</StackPanel>
+			<DockPanel LastChildFill="True" Visibility="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource String2VisibilityConverter}}" HorizontalAlignment="{Binding Path=(hc:TitleElement.HorizontalAlignment),RelativeSource={RelativeSource TemplatedParent}}" VerticalAlignment="{Binding Path=(hc:TitleElement.VerticalAlignment),RelativeSource={RelativeSource TemplatedParent}}" Margin="{Binding Path=(hc:TitleElement.MarginOnTheLeft),RelativeSource={RelativeSource TemplatedParent}}">
+				<ContentPresenter DockPanel.Dock="Right" TextElement.Foreground="{DynamicResource DangerBrush}" Margin="4,0,0,0" Content="{Binding Path=(hc:InfoElement.Symbol),RelativeSource={RelativeSource TemplatedParent}}" Visibility="{Binding Path=(hc:InfoElement.Necessary),RelativeSource={RelativeSource TemplatedParent},Converter={StaticResource Boolean2VisibilityConverter}}" />
+				<TextBlock hc:TextBlockAttach.AutoTooltip="True" TextWrapping="NoWrap" TextTrimming="CharacterEllipsis" Text="{Binding Path=(hc:InfoElement.Title),RelativeSource={RelativeSource TemplatedParent}}" />
+			</DockPanel>
 			<Popup Grid.Column="1" x:Name="PART_Popup" PlacementTarget="{Binding ElementName=toggleButton}" AllowsTransparency="true" Grid.ColumnSpan="2" StaysOpen="False" IsOpen="{Binding IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Margin="1" PopupAnimation="{StaticResource {x:Static SystemParameters.ComboBoxPopupAnimationKey}}" Placement="Bottom">
 				<Decorator Margin="8 0">
 					<Border Effect="{StaticResource EffectShadow2}" BorderThickness="0,1,0,0" Margin="0,0,0,8" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" x:Name="dropDownBorder" MaxHeight="{TemplateBinding MaxDropDownHeight}" BorderBrush="{DynamicResource BorderBrush}" Background="{DynamicResource RegionBrush}">
@@ -7572,10 +7572,10 @@
 			</Popup>
 			<TextBlock Grid.Column="1" Grid.ColumnSpan="2" FontSize="12" Text="{TemplateBinding ErrorStr}" Name="TextBlockError" VerticalAlignment="Bottom" Margin="9,0,0,4" Foreground="{DynamicResource DangerBrush}" />
 			<ToggleButton Grid.Column="1" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Padding="{TemplateBinding Padding}" Content="{Binding Path=(hc:InfoElement.Placeholder),RelativeSource={RelativeSource TemplatedParent}}" 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 CheckComboBoxWatermarkToggleButton}" />
-			<Border Grid.Column="1" Margin="1,0">
-				<WrapPanel Name="PART_Panel" Margin="3,1,3,4" />
+			<Border Grid.Column="1" Margin="-1,1">
+				<hc:UniformSpacingPanel x:Name="PART_Panel" Margin="{TemplateBinding Padding}" Spacing="4" ChildWrapping="Wrap" ItemVerticalAlignment="Center" />
 			</Border>
-			<Button Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="2" Style="{StaticResource ButtonIcon}" Padding="0,6" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}" />
+			<Button Height="{x:Static system:Double.NaN}" Command="interactivity:ControlCommands.Clear" Margin="0,0,26,0" Visibility="Collapsed" Name="ButtonClear" Width="16" Grid.Column="2" Style="{StaticResource ButtonIcon}" Padding="0" hc:IconElement.Geometry="{StaticResource DeleteFillCircleGeometry}" Foreground="{TemplateBinding BorderBrush}" />
 		</Grid>
 		<ControlTemplate.Triggers>
 			<Trigger Property="HasItems" Value="false">
@@ -12145,8 +12145,30 @@
 	</Style>
 	<Style BasedOn="{StaticResource ChatBubbleBaseStyle}" TargetType="hc:ChatBubble" />
 	<Style BasedOn="{StaticResource CheckComboBoxBaseStyle}" TargetType="hc:CheckComboBox" />
+	<Style x:Key="Tag4CheckComboBoxStyle.Small" BasedOn="{StaticResource Tag4CheckComboBoxStyle}" TargetType="hc:Tag">
+		<Setter Property="Padding" Value="6,0,4,0" />
+	</Style>
+	<Style x:Key="CheckComboBox.Small" BasedOn="{StaticResource CheckComboBoxBaseStyle}" TargetType="hc:CheckComboBox">
+		<Setter Property="TagStyle" Value="{StaticResource Tag4CheckComboBoxStyle.Small}" />
+		<Setter Property="MinHeight" Value="20" />
+		<Setter Property="Padding" Value="6,1" />
+	</Style>
 	<Style x:Key="CheckComboBoxExtend" BasedOn="{StaticResource CheckComboBoxExtendBaseStyle}" TargetType="hc:CheckComboBox" />
+	<Style x:Key="CheckComboBoxExtend.Small" BasedOn="{StaticResource CheckComboBoxExtend}" TargetType="hc:CheckComboBox">
+		<Setter Property="TagStyle" Value="{StaticResource Tag4CheckComboBoxStyle.Small}" />
+		<Setter Property="hc:InfoElement.MinContentHeight" Value="20" />
+		<Setter Property="hc:TitleElement.MarginOnTheLeft" Value="0,3,6,3" />
+		<Setter Property="MinHeight" Value="20" />
+		<Setter Property="Padding" Value="6,1" />
+	</Style>
 	<Style x:Key="CheckComboBoxPlus" BasedOn="{StaticResource CheckComboBoxPlusBaseStyle}" TargetType="hc:CheckComboBox" />
+	<Style x:Key="CheckComboBoxPlus.Small" BasedOn="{StaticResource CheckComboBoxPlus}" TargetType="hc:CheckComboBox">
+		<Setter Property="TagStyle" Value="{StaticResource Tag4CheckComboBoxStyle.Small}" />
+		<Setter Property="hc:InfoElement.MinContentHeight" Value="20" />
+		<Setter Property="hc:TitleElement.MarginOnTheLeft" Value="0,3,6,3" />
+		<Setter Property="MinHeight" Value="20" />
+		<Setter Property="Padding" Value="6,1" />
+	</Style>
 	<Style x:Key="ClockRadioButtonStyle" TargetType="hc:ClockRadioButton">
 		<Setter Property="BorderThickness" Value="1" />
 		<Setter Property="VerticalContentAlignment" Value="Center" />