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A WPF SplitButton

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20 Oct 2007CPOL2 min read 310.5K   9.5K   101  
A Themed WPF SplitButton
<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:Wpf.Controls">

	<Style x:Key="ButtonFocusVisual">
		<Setter Property="Control.Template">
			<Setter.Value>
				<ControlTemplate>
					<Rectangle SnapsToDevicePixels="true" Margin="2" Stroke="Black" StrokeDashArray="1 2" StrokeThickness="1"/>
				</ControlTemplate>
			</Setter.Value>
		</Setter>
	</Style>

	<!-- Outer Border Styles for the various Button States-->
	<Style x:Key="outerBorderNormal" TargetType="{x:Type Border}">
		<Setter Property="HorizontalAlignment" Value="Stretch"/>
		<Setter Property="VerticalAlignment" Value="Stretch"/>
		<Setter Property="BorderThickness" Value="1"/>
		<Setter Property="CornerRadius" Value="2"/>
		<Setter Property="SnapsToDevicePixels" Value="True"/>
		<Setter Property="BorderBrush" Value="Transparent"/>
		<Setter Property="Background" Value="Transparent"/>
	</Style>
	
	<Style x:Key="outerBorderHover" TargetType="{x:Type Border}" BasedOn="{StaticResource outerBorderNormal}">
		<Setter Property="BorderBrush" Value="#66000000"/>
		<Setter Property="Background" Value="Transparent"/>
	</Style>
	
	<Style x:Key="outerBorderPressed" TargetType="{x:Type Border}" BasedOn="{StaticResource outerBorderNormal}">
		<Setter Property="BorderThickness" Value="2,2,2,1"/>
		<Setter Property="BorderBrush" Value="#66000000"/>
		<Setter Property="Background" Value="#33000000"/>
	</Style>
	
	<Style x:Key="outerBorderDefaulted" TargetType="{x:Type Border}" BasedOn="{StaticResource outerBorderNormal}">
		<Setter Property="BorderBrush" Value="#33000000"/>
		<Setter Property="Background" Value="Transparent"/>
	</Style>

	<!-- inner Border Styles for the various Button States-->
	<Style x:Key="innerBorderNormal" TargetType="{x:Type Border}">
		<Setter Property="HorizontalAlignment" Value="Stretch"/>
		<Setter Property="VerticalAlignment" Value="Stretch"/>
		<Setter Property="BorderThickness" Value="1"/>
		<Setter Property="CornerRadius" Value="2"/>
		<Setter Property="SnapsToDevicePixels" Value="True"/>
		<Setter Property="BorderBrush" Value="Transparent"/>
		<Setter Property="Background" Value="Transparent"/>
	</Style>
	
	<Style x:Key="innerBorderHover" TargetType="{x:Type Border}" BasedOn="{StaticResource innerBorderNormal}">
		<Setter Property="BorderBrush">
			<Setter.Value>
				<LinearGradientBrush EndPoint="0,1" StartPoint="0,0">
					<GradientStop Color="#00FFFFFF" Offset="0"/>
					<GradientStop Color="#7FFFFFFF" Offset="0.1"/>
				</LinearGradientBrush>
			</Setter.Value>
		</Setter>
		<Setter Property="Background">
			<Setter.Value>
				<LinearGradientBrush EndPoint="0,1" StartPoint="0,0">
					<GradientStop Color="#66FFFFFF" Offset="0"/>
					<GradientStop Color="#00FFFFFF" Offset="1"/>
				</LinearGradientBrush>
			</Setter.Value>
		</Setter>
	</Style>
	<Style x:Key="innerBorderPressed" TargetType="{x:Type Border}" BasedOn="{StaticResource innerBorderNormal}">
		<Setter Property="BorderBrush" Value="{x:Null}"/>
		<Setter Property="Background" Value="{x:Null}"/>
	</Style>
	<Style x:Key="innerBorderDefaulted" TargetType="{x:Type Border}" BasedOn="{StaticResource innerBorderPressed}"/>



	<Style x:Key="{ComponentResourceKey TypeInTargetAssembly={x:Type local:SplitButtonResources}, ResourceId=vistaSplitButtonStyle}" TargetType="{x:Type local:SplitButton}">
		<Setter Property="FocusVisualStyle" Value="{StaticResource ButtonFocusVisual}"/>
		<Setter Property="Foreground" Value="White"/>
        <Setter Property="Background" Value="Transparent"/>
		<Setter Property="HorizontalContentAlignment" Value="Center"/>
		<Setter Property="VerticalContentAlignment" Value="Center"/>
		<Setter Property="Padding" Value="0"/>
		<Setter Property="Template">
			<Setter.Value>
				<!-- SplitButton Template -->
				<ControlTemplate TargetType="{x:Type local:SplitButton}">

					<Grid VerticalAlignment="Stretch" HorizontalAlignment="Stretch">
						<Grid.ColumnDefinitions>
							<ColumnDefinition Width="*"/>
							<ColumnDefinition Width="16"/>
						</Grid.ColumnDefinitions>

						<!-- Button Border-->
						<Border x:Name="outerBorder1" Grid.ColumnSpan="2" Style="{StaticResource outerBorderNormal}">
							<Border x:Name="innerBorder1" Style="{StaticResource innerBorderNormal}" Background="Transparent"/>
						</Border>
						
						<!-- Dropdown Button Border-->
						<Border x:Name="outerBorder2" Margin="-1,0,0,0" Grid.Column="1" Style="{StaticResource outerBorderNormal}">
							<Border x:Name="innerBorder2" Style="{StaticResource innerBorderNormal}"/>
						</Border>

						<Border x:Name="Bd" Padding="2,3" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
							<ContentPresenter
								HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
								VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
								Margin="{TemplateBinding Padding}"
								RecognizesAccessKey="True"
								/>
						</Border>

						<Path x:Name="path"
							Data="M0,0L3,3 6,0z" 
							Margin="0,1,0,0" 
							Grid.Column="1"
							Stroke="{TemplateBinding Foreground}" 
							Fill="{TemplateBinding Foreground}" 
							HorizontalAlignment="Center" 
							VerticalAlignment="Center"
							/>

						<Button x:Name="PART_DropDown"
							BorderBrush="{TemplateBinding BorderBrush}"
							Foreground="{TemplateBinding Foreground}"
							IsDefault="{TemplateBinding IsDefault}"
							VerticalAlignment="Stretch" HorizontalAlignment="Stretch"
							Grid.Column="1"
							Margin="0">
							<Button.Style>
								<Style TargetType="{x:Type Button}">
									<Setter Property="Foreground" Value="White"/>
									<Setter Property="Template">
										<Setter.Value>
											<ControlTemplate TargetType="{x:Type Button}">
												<Border x:Name="outerBorder" Style="{StaticResource outerBorderNormal}" Background="Transparent">
													<Border x:Name="innerBorder" Style="{StaticResource innerBorderNormal}" Background="Transparent">

														<Path Data="M0,0L3,3 6,0z" 
															Margin="0,1,0,0" 
															Grid.Column="2" 
															Stroke="{TemplateBinding Foreground}" 
															Fill="{TemplateBinding Foreground}" 
															HorizontalAlignment="Center" 
															VerticalAlignment="Center"/>

													</Border>
												</Border>
												<ControlTemplate.Triggers>
													<Trigger Property="IsPressed" Value="True">
														<Setter Property="Style" TargetName="outerBorder" Value="{StaticResource outerBorderPressed}"/>
														<Setter Property="Style" TargetName="innerBorder" Value="{StaticResource innerBorderPressed}"/>
													</Trigger>
													<Trigger Property="IsEnabled" Value="false">
														<Setter Property="Foreground" Value="#ADADAD"/>
													</Trigger>
												</ControlTemplate.Triggers>
											</ControlTemplate>
										</Setter.Value>
									</Setter>
								</Style>
							</Button.Style>
						</Button>

					</Grid>
					<ControlTemplate.Triggers>
						<Trigger Property="IsDefault" Value="True">
							<Setter Property="Style" TargetName="outerBorder1" Value="{StaticResource outerBorderDefaulted}"/>
							<Setter Property="Style" TargetName="innerBorder1" Value="{StaticResource innerBorderDefaulted}"/>
							<Setter Property="Style" TargetName="outerBorder2" Value="{StaticResource outerBorderDefaulted}"/>
							<Setter Property="Style" TargetName="innerBorder2" Value="{StaticResource innerBorderDefaulted}"/>
						</Trigger>
						<Trigger Property="IsMouseOver" Value="True">
							<Setter Property="Style" TargetName="outerBorder1" Value="{StaticResource outerBorderHover}"/>
							<Setter Property="Style" TargetName="innerBorder1" Value="{StaticResource innerBorderHover}"/>
							<Setter Property="Style" TargetName="outerBorder2" Value="{StaticResource outerBorderHover}"/>
							<Setter Property="Style" TargetName="innerBorder2" Value="{StaticResource innerBorderHover}"/>
						</Trigger>
						<Trigger Property="IsContextMenuOpen" Value="True">
							<Setter Property="Style" TargetName="outerBorder1" Value="{StaticResource outerBorderPressed}"/>
							<Setter Property="Style" TargetName="innerBorder1" Value="{StaticResource innerBorderPressed}"/>
							<Setter Property="Style" TargetName="outerBorder2" Value="{StaticResource outerBorderPressed}"/>
							<Setter Property="Style" TargetName="innerBorder2" Value="{StaticResource innerBorderPressed}"/>
						</Trigger>
						<Trigger Property="IsEnabled" Value="false">
							<Setter Property="Foreground" Value="#ADADAD"/>
						</Trigger>
						<Trigger Property="Mode" Value="Dropdown">
							<Setter Property="Visibility" TargetName="PART_DropDown" Value="Collapsed"/>
							<Setter Property="Visibility" TargetName="outerBorder2" Value="Collapsed"/>
						</Trigger>
						<Trigger Property="Mode" Value="Button">
							<Setter Property="Visibility" TargetName="PART_DropDown" Value="Collapsed"/>
							<Setter Property="Visibility" TargetName="path" Value="Collapsed"/>
							<Setter Property="Visibility" TargetName="outerBorder2" Value="Collapsed"/>
							<Setter Property="Grid.ColumnSpan" TargetName="Bd" Value="2"/>
						</Trigger>
					</ControlTemplate.Triggers>
				</ControlTemplate>
			</Setter.Value>
		</Setter>
		<Style.Triggers>
		</Style.Triggers>
	</Style>
</ResourceDictionary>

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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