Knappformat och mallar

2025-05-07

I det här avsnittet beskrivs format och mallar för Button-kontrollelementet. Du kan ändra standard ControlTemplate för att ge kontrollen ett unikt utseende. Mer information finns i Skapa en mall för en kontroll.

KNAPPDELAR

Kontrollen Button har inga namngivna delar.

Knapptillstånd

I följande tabell visas de visuella tillstånden för Button-kontrollen.

VisualState-namn	VisualStateGroup-namn	Beskrivning
Normalt	Gemensamma Stater	Standardtillståndet.
håll muspekaren över	Gemensamma Stater	Muspekaren är placerad över kontrollen.
Tryckt	Gemensamma Stater	Kontrollknappen trycks in.
Handikappad	Gemensamma Stater	Kontrollen är inaktiverad.
Fokuserad	FocusStates	Kontrollen har fokus.
Ofokuserad	FocusStates	Kontrollen saknar fokus.
Giltig	Valideringstillstånd	Kontrollen använder Validation-klassen och den bifogade egenskapen Validation.HasError är `false`.
OgiltigtFokuserat	Valideringstillstånd	Den Validation.HasError bundna egenskapen är `true` och kontrollen har fokus.
OgiltigOavfokuserad	Valideringstillstånd	Den kopplade egenskapen Validation.HasError är `true` och kontrollelementet har inte fokus.

Knappkontrollmallexempel

I följande exempel visas hur du definierar en ControlTemplate för Button-kontrollen.

<!-- FocusVisual -->

<Style x:Key="ButtonFocusVisual">
  <Setter Property="Control.Template">
    <Setter.Value>
      <ControlTemplate>
        <Border>
          <Rectangle Margin="2"
                     StrokeThickness="1"
                     Stroke="#60000000"
                     StrokeDashArray="1 2" />
        </Border>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<!-- Button -->
<Style TargetType="Button">
  <Setter Property="SnapsToDevicePixels"
          Value="true" />
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="FocusVisualStyle"
          Value="{StaticResource ButtonFocusVisual}" />
  <Setter Property="MinHeight"
          Value="23" />
  <Setter Property="MinWidth"
          Value="75" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="Button">
        <Border TextBlock.Foreground="{TemplateBinding Foreground}"
                x:Name="Border"
                CornerRadius="2"
                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 EndPoint="0.5,1"
                                 StartPoint="0.5,0">
              <GradientStop Color="{DynamicResource ControlLightColor}"
                            Offset="0" />
              <GradientStop Color="{DynamicResource ControlMediumColor}"
                            Offset="1" />
            </LinearGradientBrush>
          </Border.Background>
          <VisualStateManager.VisualStateGroups>
            <VisualStateGroup x:Name="CommonStates">
              <VisualStateGroup.Transitions>
                <VisualTransition GeneratedDuration="0:0:0.5" />
                <VisualTransition GeneratedDuration="0"
                                  To="Pressed" />
              </VisualStateGroup.Transitions>
              <VisualState x:Name="Normal" />
              <VisualState x:Name="MouseOver">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Panel.Background).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)"
                                                Storyboard.TargetName="Border">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource ControlMouseOverColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="Pressed">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Panel.Background).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)"
                                                Storyboard.TargetName="Border">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource ControlPressedColor}" />
                  </ColorAnimationUsingKeyFrames>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Border.BorderBrush).
                      (GradientBrush.GradientStops)[0].(GradientStop.Color)"
                                                Storyboard.TargetName="Border">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource PressedBorderDarkColor}" />
                  </ColorAnimationUsingKeyFrames>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Border.BorderBrush).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)"
                                                Storyboard.TargetName="Border">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource PressedBorderLightColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="Disabled">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Panel.Background).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)"
                                                Storyboard.TargetName="Border">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource DisabledControlDarkColor}" />
                  </ColorAnimationUsingKeyFrames>
                  <ColorAnimationUsingKeyFrames
                      Storyboard.TargetProperty="(TextBlock.Foreground).(SolidColorBrush.Color)"
                                                Storyboard.TargetName="Border">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource DisabledForegroundColor}" />
                  </ColorAnimationUsingKeyFrames>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Border.BorderBrush).
                      (GradientBrush.GradientStops)[1].(GradientStop.Color)"
                                                Storyboard.TargetName="Border">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource DisabledBorderDarkColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
            </VisualStateGroup>
          </VisualStateManager.VisualStateGroups>
          <ContentPresenter Margin="2"
                            HorizontalAlignment="Center"
                            VerticalAlignment="Center"
                            RecognizesAccessKey="True" />
        </Border>
        <ControlTemplate.Triggers>
          <Trigger Property="IsDefault"
                   Value="true">

            <Setter TargetName="Border"
                    Property="BorderBrush">
              <Setter.Value>
                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <GradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource DefaultBorderBrushLightBrush}"
                                    Offset="0.0" />
                      <GradientStop Color="{DynamicResource DefaultBorderBrushDarkColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </GradientBrush.GradientStops>
                </LinearGradientBrush>

              </Setter.Value>
            </Setter>
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

I föregående exempel används en eller flera av följande resurser.

<!--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>

För det fullständiga exemplet, se Styling med ControlTemplates-exempel.

Se även

Feedback

Var den här sidan till hjälp?