CheckBox Styles and Templates

This topic describes the styles and templates for the CheckBox control. You can modify the default ControlTemplate to give the control a unique appearance. For more information, see Customizing the Appearance of an Existing Control by Creating a ControlTemplate.

CheckBox Parts

The CheckBox control does not have any named parts.

CheckBox States

The following table lists the visual states for the CheckBox control.

VisualState Name

VisualStateGroup Name

Description

Normal

CommonStates

The default state.

MouseOver

CommonStates

The mouse pointer is positioned over the control.

Pressed

CommonStates

The control is pressed.

Disabled

CommonStates

The control is disabled.

Focused

FocusStates

The control has focus.

Unfocused

FocusStates

The control does not have focus.

Checked

CheckStates

IsChecked is true.

Unchecked

CheckStates

IsChecked is false.

Indeterminate

CheckStates

IsThreeState is true, and IsChecked is null.

Valid

ValidationStates

The control uses the Validation class and the Validation.HasError attached property is false.

InvalidUnfocused

ValidationStates

The Validation.HasError attached property is true has the control has focus.

InvalidFocused

ValidationStates

The Validation.HasError attached property is true has the control does not have focus.

CheckBox ControlTemplate Example

The following example shows how to define a ControlTemplate for the CheckBox control.

<Style x:Key="{x:Type CheckBox}"
       TargetType="{x:Type CheckBox}">
  <Setter Property="SnapsToDevicePixels"
          Value="true" />
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="FocusVisualStyle"
          Value="{DynamicResource CheckBoxFocusVisual}" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type CheckBox}">
        <BulletDecorator Background="Transparent">
          <BulletDecorator.Bullet>
            <Border x:Name="Border"
                    Width="13"
                    Height="13"
                    CornerRadius="0"
                    BorderThickness="1">
              <Border.BorderBrush>
                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <LinearGradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource BorderLightColor}"
                                    Offset="0.0" />
                      <GradientStop Color="{DynamicResource BorderDarkColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </LinearGradientBrush.GradientStops>
                </LinearGradientBrush>
              </Border.BorderBrush>
              <Border.Background>
                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <LinearGradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource ControlLightColor}" />
                      <GradientStop Color="{DynamicResource ControlMediumColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </LinearGradientBrush.GradientStops>
                </LinearGradientBrush>

              </Border.Background>
              <Grid>
                <Path Visibility="Collapsed"
                      Width="7"
                      Height="7"
                      x:Name="CheckMark"
                      SnapsToDevicePixels="False"
                      StrokeThickness="2"
                      Data="M 0 0 L 7 7 M 0 7 L 7 0">
                  <Path.Stroke>
                    <SolidColorBrush Color="{DynamicResource GlyphColor}" />
                  </Path.Stroke>
                </Path>
                <Path Visibility="Collapsed"
                      Width="7"
                      Height="7"
                      x:Name="InderminateMark"
                      SnapsToDevicePixels="False"
                      StrokeThickness="2"
                      Data="M 0 7 L 7 0">
                  <Path.Stroke>
                    <SolidColorBrush Color="{DynamicResource GlyphColor}" />
                  </Path.Stroke>
                </Path>
              </Grid>
            </Border>
          </BulletDecorator.Bullet>
          <VisualStateManager.VisualStateGroups>
            <VisualStateGroup x:Name="CommonStates">
              <VisualState x:Name="Normal" />
              <VisualState x:Name="MouseOver">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Border"
                                                Storyboard.TargetProperty="(Panel.Background).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource ControlMouseOverColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="Pressed">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Border"
                                                Storyboard.TargetProperty="(Panel.Background).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource ControlPressedColor}" />
                  </ColorAnimationUsingKeyFrames>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Border"
                                                Storyboard.TargetProperty="(Border.BorderBrush).
                      (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource PressedBorderDarkColor}" />
                  </ColorAnimationUsingKeyFrames>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Border"
                                                Storyboard.TargetProperty="(Border.BorderBrush).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource PressedBorderLightColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="Disabled" />
            </VisualStateGroup>
            <VisualStateGroup x:Name="CheckStates">
              <VisualState x:Name="Checked">
                <Storyboard>
                  <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)"
                                                 Storyboard.TargetName="CheckMark">
                    <DiscreteObjectKeyFrame KeyTime="0"
                                            Value="{x:Static Visibility.Visible}" />
                  </ObjectAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="Unchecked" />
              <VisualState x:Name="Indeterminate">
                <Storyboard>
                  <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)"
                                                 Storyboard.TargetName="InderminateMark">
                    <DiscreteObjectKeyFrame KeyTime="0"
                                            Value="{x:Static Visibility.Visible}" />
                  </ObjectAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
          </VisualStateManager.VisualStateGroups>
          <ContentPresenter Margin="4,0,0,0"
                            VerticalAlignment="Center"
                            HorizontalAlignment="Left"
                            RecognizesAccessKey="True" />
        </BulletDecorator>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

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

<!--Control colors.-->
<Color x:Key="WindowColor">#FFE8EDF9</Color>
<Color x:Key="ContentAreaColorLight">#FFC5CBF9</Color>
<Color x:Key="ContentAreaColorDark">#FF7381F9</Color>

<Color x:Key="DisabledControlLightColor">#FFE8EDF9</Color>
<Color x:Key="DisabledControlDarkColor">#FFC5CBF9</Color>
<Color x:Key="DisabledForegroundColor">#FF888888</Color>

<Color x:Key="SelectedBackgroundColor">#FFC5CBF9</Color>
<Color x:Key="SelectedUnfocusedColor">#FFDDDDDD</Color>

<Color x:Key="ControlLightColor">White</Color>
<Color x:Key="ControlMediumColor">#FF7381F9</Color>
<Color x:Key="ControlDarkColor">#FF211AA9</Color>

<Color x:Key="ControlMouseOverColor">#FF3843C4</Color>
<Color x:Key="ControlPressedColor">#FF211AA9</Color>


<Color x:Key="GlyphColor">#FF444444</Color>
<Color x:Key="GlyphMouseOver">sc#1, 0.004391443, 0.002428215, 0.242281124</Color>

<!--Border colors-->
<Color x:Key="BorderLightColor">#FFCCCCCC</Color>
<Color x:Key="BorderMediumColor">#FF888888</Color>
<Color x:Key="BorderDarkColor">#FF444444</Color>

<Color x:Key="PressedBorderLightColor">#FF888888</Color>
<Color x:Key="PressedBorderDarkColor">#FF444444</Color>

<Color x:Key="DisabledBorderLightColor">#FFAAAAAA</Color>
<Color x:Key="DisabledBorderDarkColor">#FF888888</Color>

<Color x:Key="DefaultBorderBrushDarkColor">Black</Color>

<!--Control-specific resources.-->
<Color x:Key="HeaderTopColor">#FFC5CBF9</Color>
<Color x:Key="DatagridCurrentCellBorderColor">Black</Color>
<Color x:Key="SliderTrackDarkColor">#FFC5CBF9</Color>

<Color x:Key="NavButtonFrameColor">#FF3843C4</Color>

<LinearGradientBrush x:Key="MenuPopupBrush"
                     EndPoint="0.5,1"
                     StartPoint="0.5,0">
  <GradientStop Color="{DynamicResource ControlLightColor}"
                Offset="0" />
  <GradientStop Color="{DynamicResource ControlMediumColor}"
                Offset="0.5" />
  <GradientStop Color="{DynamicResource ControlLightColor}"
                Offset="1" />
</LinearGradientBrush>

<LinearGradientBrush x:Key="ProgressBarIndicatorAnimatedFill"
                     StartPoint="0,0"
                     EndPoint="1,0">
  <LinearGradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#000000FF"
                    Offset="0" />
      <GradientStop Color="#600000FF"
                    Offset="0.4" />
      <GradientStop Color="#600000FF"
                    Offset="0.6" />
      <GradientStop Color="#000000FF"
                    Offset="1" />
    </GradientStopCollection>
  </LinearGradientBrush.GradientStops>
</LinearGradientBrush>

For the complete sample, see Styling with ControlTemplates Sample.

See Also

Reference

Style

ControlTemplate

Concepts

Styling and Templating

Customizing the Appearance of an Existing Control by Creating a ControlTemplate

Other Resources

Control Styles and Templates

Control Customization