パンダスタイル質問

Question

WPFでIAMニュービーと私は再び助けを必要と...

私は角の丸いエキスパンダーを持っている、しかし、私はこれが好きではないと私は長方形のコーナーをしたいです。誰も私にこの問題を解決する方法を教えてもらえますか？ これは..スタイル私のエキスパンダー です：

<Style x:Key="exp_AInfo_Style" TargetType="Expander"> 
     <Setter Property="IsExpanded" Value="True"/> 
     <Setter Property="HorizontalAlignment" Value="Left"/> 
     <Setter Property="VerticalAlignment" Value="Top"/> 
     <Setter Property="Margin" Value="18,5,0,0"/> 
     <Setter Property="Width" Value="259"/> 
     <Setter Property="Height" Value="29"/> 
     <Setter Property="FontSize" Value="14"/> 

     <Style.Triggers> 
      <Trigger Property="IsExpanded" Value="True"> 
       <Setter Property="Height" Value="155"/> 
      </Trigger> 
     </Style.Triggers> 
    </Style> 

とオブジェクト：

 <Expander x:Name="exp_AInfo" Header="Allgemeine Info's" 
      Style="{StaticResource exp_AInfo_Style}" Height="116" 
      > 
      <Expander.Background> 
       <ImageBrush ImageSource="pct/expander.png" Opacity="0.9"/> 
      </Expander.Background> 
      <Grid Height="112"> 
       <!--many many objects--> 
      </Grid> 
     </Expander> 

おかげで4ヘルプ

Answer 1

これは、すべてのトグルボタンのControlTemplateのCornerRadiusについてです。そこ

あなたが行く：

<ControlTemplate x:Key="ExpanderToggleButton" 
      TargetType="{x:Type ToggleButton}"> 
     <Border x:Name="Border" 
       CornerRadius="0,0,0,0" 
       BorderThickness="1" Background="White" BorderBrush="Black"> 

      <VisualStateManager.VisualStateGroups> 
       <VisualStateGroup x:Name="CommonStates"> 
        <VisualState x:Name="Normal" /> 
        <VisualState x:Name="MouseOver"> 
        </VisualState> 
        <VisualState x:Name="Pressed"> 
        </VisualState> 
        <VisualState x:Name="Disabled"> 
        </VisualState> 
       </VisualStateGroup> 
       <VisualStateGroup x:Name="CheckStates"> 
        <VisualState x:Name="Checked"> 
         <Storyboard> 
          <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" 
             Storyboard.TargetName="CollapsedArrow"> 
           <DiscreteObjectKeyFrame KeyTime="0" 
            Value="{x:Static Visibility.Hidden}" /> 
          </ObjectAnimationUsingKeyFrames> 
          <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" 
             Storyboard.TargetName="ExpandededArrow"> 
           <DiscreteObjectKeyFrame KeyTime="0" 
            Value="{x:Static Visibility.Visible}" /> 
          </ObjectAnimationUsingKeyFrames> 
         </Storyboard> 
        </VisualState> 
        <VisualState x:Name="Unchecked" /> 
        <VisualState x:Name="Indeterminate" /> 
       </VisualStateGroup> 
      </VisualStateManager.VisualStateGroups> 
      <Grid> 
       <Path x:Name="CollapsedArrow" 
         HorizontalAlignment="Center" 
         VerticalAlignment="Center" 
         Data="M 0 0 L 4 4 L 8 0 Z"> 
        <Path.Fill> 
         <SolidColorBrush Color="Black" /> 
        </Path.Fill> 
       </Path> 
       <Path x:Name="ExpandededArrow" 
        HorizontalAlignment="Center" 
        VerticalAlignment="Center" 
        Visibility="Collapsed" 
        Data="M 0 4 L 4 0 L 8 4 Z"> 
        <Path.Fill> 
         <SolidColorBrush Color="Black" /> 
        </Path.Fill> 
       </Path> 
      </Grid> 
     </Border> 
    </ControlTemplate> 

    <Style TargetType="{x:Type Expander}"> 
     <Setter Property="Template"> 
      <Setter.Value> 
       <ControlTemplate TargetType="{x:Type Expander}"> 
        <Grid> 
         <Grid.RowDefinitions> 
          <RowDefinition Height="Auto" /> 
          <RowDefinition x:Name="ContentRow" 
         Height="0" /> 
         </Grid.RowDefinitions> 
         <VisualStateManager.VisualStateGroups> 
          <VisualStateGroup x:Name="CommonStates"> 
           <VisualState x:Name="Normal" /> 
           <VisualState x:Name="MouseOver" /> 
           <VisualState x:Name="Disabled"/> 
          </VisualStateGroup> 
         </VisualStateManager.VisualStateGroups> 
         <Border x:Name="Border" 
           Grid.Row="0" 
           BorderThickness="1" 
           CornerRadius="2,2,0,0"> 
          <Border.BorderBrush> 
           <LinearGradientBrush EndPoint="0,1" 
           StartPoint="0,0"> 
            <GradientStop Color="White" Offset="0" /> 
            <GradientStop Color="White" Offset="1" /> 
           </LinearGradientBrush> 
          </Border.BorderBrush> 
          <Border.Background> 
           <LinearGradientBrush StartPoint="0,0" 
           EndPoint="0,1"> 
            <LinearGradientBrush.GradientStops> 
             <GradientStopCollection> 
              <GradientStop Color="White" Offset="0.0" /> 
              <GradientStop Color="White" Offset="1.0" /> 
             </GradientStopCollection> 
            </LinearGradientBrush.GradientStops> 
           </LinearGradientBrush> 

          </Border.Background> 
          <Grid> 
           <Grid.ColumnDefinitions> 
            <ColumnDefinition Width="20" /> 
            <ColumnDefinition Width="*" /> 
           </Grid.ColumnDefinitions> 
           <ToggleButton OverridesDefaultStyle="True" 
             Template="{StaticResource ExpanderToggleButton}" 
             IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"> 
            <ToggleButton.Background> 
             <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0"> 
              <GradientStop Color="White" Offset="0" /> 
              <GradientStop Color="White" Offset="1" /> 
             </LinearGradientBrush> 
            </ToggleButton.Background> 
           </ToggleButton> 
           <ContentPresenter Grid.Column="1" 
            Margin="4" 
            ContentSource="Header" 
            RecognizesAccessKey="True" /> 
          </Grid> 
         </Border> 
         <Border x:Name="Content" 
            Grid.Row="1" 
            BorderThickness="1,0,1,1" 
            CornerRadius="0,0,0,0"> 
          <ContentPresenter Margin="4" /> 
         </Border> 
        </Grid> 
        <ControlTemplate.Triggers> 
         <Trigger Property="IsExpanded" Value="True"> 
          <Setter TargetName="ContentRow" 
           Property="Height" 
           Value="{Binding DesiredHeight, ElementName=Content}" /> 
         </Trigger> 
        </ControlTemplate.Triggers> 
       </ControlTemplate> 
      </Setter.Value> 
     </Setter> 
    </Style>