ToolBar ControlTemplate Example

Controls in Windows Presentation Foundation (WPF) have a ControlTemplate that contains the visual tree of that control. You can change the structure and appearance of a control by modifying the ControlTemplate of that control. There is no way to replace only part of the visual tree of a control; to change the visual tree of a control you must set the Template property of the control to its new and complete ControlTemplate.

This topic shows the ControlTemplate of the WPF ToolBar control.

This topic contains the following sections.

To run the examples in this topic, you should understand how to write WPF applications. For more information, see Getting Started with Windows Presentation Foundation. You should also understand how styles are used in WPF. For more information, see Styling and Templating.

Although this example contains all of the elements that are defined in the ControlTemplate of a ToolBar by default, the specific values should be thought of as examples.

<Style x:Key="ToolBarButtonBaseStyle" TargetType="{x:Type ButtonBase}">
  <Setter Property="SnapsToDevicePixels" Value="true"/>
  <Setter Property="OverridesDefaultStyle" Value="true"/>
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type ButtonBase}">
        <Border 
          x:Name="Border"  
          BorderThickness="1"
          Background="Transparent"
          BorderBrush="Transparent">
          <ContentPresenter 
            Margin="2"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            RecognizesAccessKey="True"/>
        </Border>
        <ControlTemplate.Triggers>
          <Trigger Property="IsKeyboardFocused" Value="true">
            <Setter TargetName="Border" Property="Background" Value="{StaticResource SelectedBackgroundBrush}" />
            <Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource SolidBorderBrush}" />
          </Trigger>
          <Trigger Property="IsMouseOver" Value="true">
            <Setter TargetName="Border" Property="Background" Value="{StaticResource SelectedBackgroundBrush}" />
            <Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource SolidBorderBrush}" />
          </Trigger>
          <Trigger Property="IsPressed" Value="true">
            <Setter TargetName="Border" Property="Background" Value="{StaticResource PressedBrush}" />
            <Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource PressedBorderBrush}" />
          </Trigger>
          <Trigger Property="CheckBox.IsChecked" Value="true">
            <Setter TargetName="Border" Property="Background" Value="{StaticResource PressedBrush}" />
            <Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource PressedBorderBrush}" />
          </Trigger>
          <Trigger Property="IsEnabled" Value="false">
            <Setter TargetName="Border" Property="Background" Value="{StaticResource DisabledBackgroundBrush}" />
            <Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource DisabledBorderBrush}" />
            <Setter Property="Foreground" Value="{StaticResource DisabledForegroundBrush}"/>
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<Style x:Key="{x:Static ToolBar.ButtonStyleKey}" 
       BasedOn="{StaticResource ToolBarButtonBaseStyle}"
       TargetType="{x:Type Button}"/>
<Style x:Key="{x:Static ToolBar.ToggleButtonStyleKey}" 
       BasedOn="{StaticResource ToolBarButtonBaseStyle}"
       TargetType="{x:Type ToggleButton}"/>
<Style x:Key="{x:Static ToolBar.CheckBoxStyleKey}" 
       BasedOn="{StaticResource ToolBarButtonBaseStyle}"
       TargetType="{x:Type CheckBox}"/>
<Style x:Key="{x:Static ToolBar.RadioButtonStyleKey}"
       BasedOn="{StaticResource ToolBarButtonBaseStyle}"
       TargetType="{x:Type RadioButton}"/>

<Style x:Key="{x:Static ToolBar.TextBoxStyleKey}" TargetType="{x:Type TextBox}">
  <Setter Property="SnapsToDevicePixels" Value="True"/>
  <Setter Property="OverridesDefaultStyle" Value="True"/>
  <Setter Property="KeyboardNavigation.TabNavigation" Value="None"/>
  <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
  <Setter Property="AllowDrop" Value="true"/>
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type TextBox}">
        <Border 
          Name="Border"
          Padding="2"
          Background="{StaticResource WindowBackgroundBrush}"
          BorderBrush="{StaticResource SolidBorderBrush}"
          BorderThickness="1" >
          <ScrollViewer Margin="0" x:Name="PART_ContentHost"/>
        </Border>
        <ControlTemplate.Triggers>
          <Trigger Property="IsEnabled" Value="False">
            <Setter TargetName="Border" Property="Background" Value="{StaticResource DisabledBackgroundBrush}"/>
            <Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource DisabledBackgroundBrush}"/>
            <Setter Property="Foreground" Value="{StaticResource DisabledForegroundBrush}"/>
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<Style x:Key="ToolBarThumbStyle" TargetType="{x:Type Thumb}">
  <Setter Property="OverridesDefaultStyle" Value="true"/>
  <Setter Property="Cursor" Value="SizeAll"/>
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type Thumb}">
        <Border Background="Transparent"
          SnapsToDevicePixels="True">
          <Rectangle Margin="0,2">
            <Rectangle.Fill>
              <DrawingBrush Viewport="0,0,4,4" 
                ViewportUnits="Absolute"
                Viewbox="0,0,8,8"
                ViewboxUnits="Absolute"
                TileMode="Tile">
                <DrawingBrush.Drawing>
                  <DrawingGroup>
                    <DrawingGroup.Children>
                      <GeometryDrawing Brush="#AAA"
                        Geometry="M 4 4 L 4 8 L 8 8 L 8 4 z"/>
                    </DrawingGroup.Children>
                  </DrawingGroup>
                </DrawingBrush.Drawing>
              </DrawingBrush>
            </Rectangle.Fill>
          </Rectangle>
        </Border>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<Style x:Key="ToolBarOverflowButtonStyle" TargetType="{x:Type ToggleButton}">
  <Setter Property="OverridesDefaultStyle" Value="true"/>
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type ToggleButton}">
        <Border Name="Bd"
          CornerRadius="0,3,3,0"
          Background="Transparent"
          SnapsToDevicePixels="true">
          <Grid>
            <Path Name="Arrow"
              Fill="Black"
              VerticalAlignment="Bottom"
              Margin="2,3"
              Data="M -0.5 3 L 5.5 3 L 2.5 6 Z"/>
            <ContentPresenter/>
          </Grid>
        </Border>
        <ControlTemplate.Triggers>
          <Trigger Property="IsMouseOver" Value="true">
            <Setter TargetName="Bd" Property="Background" Value="{StaticResource DarkBrush}"/>
          </Trigger>
          <Trigger Property="IsKeyboardFocused" Value="true">
            <Setter TargetName="Bd" Property="Background" Value="{StaticResource DarkBrush}"/>
          </Trigger>
          <Trigger Property="IsChecked" Value="true">
            <Setter TargetName="Bd" Property="Background" Value="{StaticResource DarkBrush}"/>
          </Trigger>
          <Trigger Property="IsEnabled" Value="false">
            <Setter TargetName="Arrow" Property="Fill" Value="#AAA"/>
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<Style x:Key="{x:Type ToolBar}" TargetType="{x:Type ToolBar}">
  <Setter Property="SnapsToDevicePixels" Value="true"/>
  <Setter Property="OverridesDefaultStyle" Value="true"/>
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type ToolBar}">
        <Border x:Name="Border"  
          CornerRadius="2" 
          BorderThickness="1"
          Background="{StaticResource LightBrush}"
          BorderBrush="{StaticResource NormalBorderBrush}">
          <DockPanel >
            <ToggleButton DockPanel.Dock="Right"
              IsEnabled="{TemplateBinding HasOverflowItems}"
              Style="{StaticResource ToolBarOverflowButtonStyle}"
              IsChecked="{Binding Path=IsOverflowOpen,Mode=TwoWay,RelativeSource={RelativeSource TemplatedParent}}"
              ClickMode="Press">
              <Popup x:Name="OverflowPopup"
                AllowsTransparency="true"
                Placement="Bottom"
                IsOpen="{Binding Path=IsOverflowOpen,RelativeSource={RelativeSource TemplatedParent}}"
                StaysOpen="false"
                Focusable="false"
                PopupAnimation="Slide">
                <Border x:Name="DropDownBorder"
                  Background="{StaticResource WindowBackgroundBrush}"
                  BorderThickness="1"
                  BorderBrush="{StaticResource SolidBorderBrush}">
                  <ToolBarOverflowPanel x:Name="PART_ToolBarOverflowPanel"
                    Margin="2"
                    WrapWidth="200"
                    Focusable="true" 
                    FocusVisualStyle="{x:Null}"
                    KeyboardNavigation.TabNavigation="Cycle"
                    KeyboardNavigation.DirectionalNavigation="Cycle"/>
                </Border>
              </Popup>
            </ToggleButton>

            <Thumb x:Name="ToolBarThumb"
              Style="{StaticResource ToolBarThumbStyle}"
              Width="10"/>
            <ToolBarPanel x:Name="PART_ToolBarPanel"
              IsItemsHost="true"
              Margin="0,1,2,2"/>
          </DockPanel>
        </Border>
        <ControlTemplate.Triggers>
          <Trigger Property="IsOverflowOpen" Value="true">
            <Setter TargetName="ToolBarThumb" Property="IsEnabled" Value="false"/>
          </Trigger>
          <Trigger Property="ToolBarTray.IsLocked" Value="true">
            <Setter TargetName="ToolBarThumb" Property="Visibility" Value="Collapsed"/>
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<Style x:Key="{x:Type ToolBarTray}" TargetType="{x:Type ToolBarTray}" >
  <Setter Property="Background" Value="{StaticResource HorizontalLightBrush}"/>
</Style>

The preceding example uses one or more of the following resources.

<!-- Fill Brushes -->

<LinearGradientBrush x:Key="NormalBrush" StartPoint="0,0" EndPoint="0,1">
  <GradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#FFF" Offset="0.0"/>
      <GradientStop Color="#CCC" Offset="1.0"/>
    </GradientStopCollection>
  </GradientBrush.GradientStops>
</LinearGradientBrush>

<LinearGradientBrush x:Key="HorizontalNormalBrush" StartPoint="0,0" EndPoint="1,0">
  <GradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#FFF" Offset="0.0"/>
      <GradientStop Color="#CCC" Offset="1.0"/>
    </GradientStopCollection>
  </GradientBrush.GradientStops>
</LinearGradientBrush>

<LinearGradientBrush x:Key="LightBrush" StartPoint="0,0" EndPoint="0,1">
  <GradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#FFF" Offset="0.0"/>
      <GradientStop Color="#EEE" Offset="1.0"/>
    </GradientStopCollection>
  </GradientBrush.GradientStops>
</LinearGradientBrush>

<LinearGradientBrush x:Key="HorizontalLightBrush" StartPoint="0,0" EndPoint="1,0">
  <GradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#FFF" Offset="0.0"/>
      <GradientStop Color="#EEE" Offset="1.0"/>
    </GradientStopCollection>
  </GradientBrush.GradientStops>
</LinearGradientBrush>

<LinearGradientBrush x:Key="DarkBrush" StartPoint="0,0" EndPoint="0,1">
  <GradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#FFF" Offset="0.0"/>
      <GradientStop Color="#AAA" Offset="1.0"/>
    </GradientStopCollection>
  </GradientBrush.GradientStops>
</LinearGradientBrush>

<LinearGradientBrush x:Key="PressedBrush" StartPoint="0,0" EndPoint="0,1">
  <GradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#BBB" Offset="0.0"/>
      <GradientStop Color="#EEE" Offset="0.1"/>
      <GradientStop Color="#EEE" Offset="0.9"/>
      <GradientStop Color="#FFF" Offset="1.0"/>
    </GradientStopCollection>
  </GradientBrush.GradientStops>
</LinearGradientBrush>

<SolidColorBrush x:Key="DisabledForegroundBrush" Color="#888" />

<SolidColorBrush x:Key="DisabledBackgroundBrush" Color="#EEE" />

<SolidColorBrush x:Key="WindowBackgroundBrush" Color="#FFF" />

<SolidColorBrush x:Key="SelectedBackgroundBrush" Color="#DDD" />

<!-- Border Brushes -->

<LinearGradientBrush x:Key="NormalBorderBrush" StartPoint="0,0" EndPoint="0,1">
  <GradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#CCC" Offset="0.0"/>
      <GradientStop Color="#444" Offset="1.0"/>
    </GradientStopCollection>
  </GradientBrush.GradientStops>
</LinearGradientBrush>

<LinearGradientBrush x:Key="HorizontalNormalBorderBrush" StartPoint="0,0" EndPoint="1,0">
  <GradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#CCC" Offset="0.0"/>
      <GradientStop Color="#444" Offset="1.0"/>
    </GradientStopCollection>
  </GradientBrush.GradientStops>
</LinearGradientBrush>

<LinearGradientBrush x:Key="DefaultedBorderBrush" StartPoint="0,0" EndPoint="0,1">
  <GradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#777" Offset="0.0"/>
      <GradientStop Color="#000" Offset="1.0"/>
    </GradientStopCollection>
  </GradientBrush.GradientStops>
</LinearGradientBrush>

<LinearGradientBrush x:Key="PressedBorderBrush" StartPoint="0,0" EndPoint="0,1">
  <GradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#444" Offset="0.0"/>
      <GradientStop Color="#888" Offset="1.0"/>
    </GradientStopCollection>
  </GradientBrush.GradientStops>
</LinearGradientBrush>

<SolidColorBrush x:Key="DisabledBorderBrush" Color="#AAA" />

<SolidColorBrush x:Key="SolidBorderBrush" Color="#888" />

<SolidColorBrush x:Key="LightBorderBrush" Color="#AAA" />

<!-- Miscellaneous Brushes -->
<SolidColorBrush x:Key="GlyphBrush" Color="#444" />

<SolidColorBrush x:Key="LightColorBrush" Color="#DDD" />

For the complete sample, see Styling with ControlTemplates Sample.

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