Default ControlTemplate per Expander

qualcuno (probabilmente utilizzando Blend) può fornirmi un ControlTemplate predefinito funzionante per Expander WPF? Voglio fare qualche piccola modifica ma sembra che non riesca a trovare una fonte per un modello valido.Default ControlTemplate per Expander
Grazie in anticipo.
fonte
2012-04-13 Ignacio Soler Garcia
Ecco un link per l'ultimo esempio ufficiale nella documentazione di Microsoft, ma si differenzia un po 'dallo stile di default del sistema: https://docs.microsoft.com/en-us/dotnet/framework/wpf/controls/expander-styles-and-templates – SwissCoder
Mi sono unito e posso aiutarti. Ecco cosa ha generato Blend per me.
<ResourceDictionary 
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> 
<Style x:Key="ExpanderRightHeaderStyle" TargetType="{x:Type ToggleButton}"> 
    <Setter Property="Template"> 
     <Setter.Value> 
      <ControlTemplate TargetType="{x:Type ToggleButton}"> 
       <Border Padding="{TemplateBinding Padding}"> 
        <Grid Background="Transparent" SnapsToDevicePixels="False"> 
         <Grid.RowDefinitions> 
          <RowDefinition Height="19"/> 
          <RowDefinition Height="*"/> 
         </Grid.RowDefinitions> 
         <Grid> 
          <Grid.LayoutTransform> 
           <TransformGroup> 
            <TransformGroup.Children> 
             <TransformCollection> 
              <RotateTransform Angle="-90"/> 
             </TransformCollection> 
            </TransformGroup.Children> 
           </TransformGroup> 
          </Grid.LayoutTransform> 
          <Ellipse x:Name="circle" HorizontalAlignment="Center" Height="19" Stroke="DarkGray" VerticalAlignment="Center" Width="19"/> 
          <Path x:Name="arrow" Data="M 1,1.5 L 4.5,5 L 8,1.5" HorizontalAlignment="Center" SnapsToDevicePixels="false" Stroke="#666" StrokeThickness="2" VerticalAlignment="Center"/> 
         </Grid> 
         <ContentPresenter HorizontalAlignment="Center" Margin="0,4,0,0" Grid.Row="1" RecognizesAccessKey="True" SnapsToDevicePixels="True" VerticalAlignment="Top"/> 
        </Grid> 
       </Border> 
       <ControlTemplate.Triggers> 
        <Trigger Property="IsChecked" Value="true"> 
         <Setter Property="Data" TargetName="arrow" Value="M 1,4.5 L 4.5,1 L 8,4.5"/> 
        </Trigger> 
        <Trigger Property="IsMouseOver" Value="true"> 
         <Setter Property="Stroke" TargetName="circle" Value="#FF3C7FB1"/> 
         <Setter Property="Stroke" TargetName="arrow" Value="#222"/> 
        </Trigger> 
        <Trigger Property="IsPressed" Value="true"> 
         <Setter Property="Stroke" TargetName="circle" Value="#FF526C7B"/> 
         <Setter Property="StrokeThickness" TargetName="circle" Value="1.5"/> 
         <Setter Property="Stroke" TargetName="arrow" Value="#FF003366"/> 
        </Trigger> 
       </ControlTemplate.Triggers> 
      </ControlTemplate> 
     </Setter.Value> 
    </Setter> 
</Style> 
<Style x:Key="ExpanderUpHeaderStyle" TargetType="{x:Type ToggleButton}"> 
    <Setter Property="Template"> 
     <Setter.Value> 
      <ControlTemplate TargetType="{x:Type ToggleButton}"> 
       <Border Padding="{TemplateBinding Padding}"> 
        <Grid Background="Transparent" SnapsToDevicePixels="False"> 
         <Grid.ColumnDefinitions> 
          <ColumnDefinition Width="19"/> 
          <ColumnDefinition Width="*"/> 
         </Grid.ColumnDefinitions> 
         <Grid> 
          <Grid.LayoutTransform> 
           <TransformGroup> 
            <TransformGroup.Children> 
             <TransformCollection> 
              <RotateTransform Angle="180"/> 
             </TransformCollection> 
            </TransformGroup.Children> 
           </TransformGroup> 
          </Grid.LayoutTransform> 
          <Ellipse x:Name="circle" HorizontalAlignment="Center" Height="19" Stroke="DarkGray" VerticalAlignment="Center" Width="19"/> 
          <Path x:Name="arrow" Data="M 1,1.5 L 4.5,5 L 8,1.5" HorizontalAlignment="Center" SnapsToDevicePixels="false" Stroke="#666" StrokeThickness="2" VerticalAlignment="Center"/> 
         </Grid> 
         <ContentPresenter Grid.Column="1" HorizontalAlignment="Left" Margin="4,0,0,0" RecognizesAccessKey="True" SnapsToDevicePixels="True" VerticalAlignment="Center"/> 
        </Grid> 
       </Border> 
       <ControlTemplate.Triggers> 
        <Trigger Property="IsChecked" Value="true"> 
         <Setter Property="Data" TargetName="arrow" Value="M 1,4.5 L 4.5,1 L 8,4.5"/> 
        </Trigger> 
        <Trigger Property="IsMouseOver" Value="true"> 
         <Setter Property="Stroke" TargetName="circle" Value="#FF3C7FB1"/> 
         <Setter Property="Stroke" TargetName="arrow" Value="#222"/> 
        </Trigger> 
        <Trigger Property="IsPressed" Value="true"> 
         <Setter Property="Stroke" TargetName="circle" Value="#FF526C7B"/> 
         <Setter Property="StrokeThickness" TargetName="circle" Value="1.5"/> 
         <Setter Property="Stroke" TargetName="arrow" Value="#FF003366"/> 
        </Trigger> 
       </ControlTemplate.Triggers> 
      </ControlTemplate> 
     </Setter.Value> 
    </Setter> 
</Style> 
<Style x:Key="ExpanderLeftHeaderStyle" TargetType="{x:Type ToggleButton}"> 
    <Setter Property="Template"> 
     <Setter.Value> 
      <ControlTemplate TargetType="{x:Type ToggleButton}"> 
       <Border Padding="{TemplateBinding Padding}"> 
        <Grid Background="Transparent" SnapsToDevicePixels="False"> 
         <Grid.RowDefinitions> 
          <RowDefinition Height="19"/> 
          <RowDefinition Height="*"/> 
         </Grid.RowDefinitions> 
         <Grid> 
          <Grid.LayoutTransform> 
           <TransformGroup> 
            <TransformGroup.Children> 
             <TransformCollection> 
              <RotateTransform Angle="90"/> 
             </TransformCollection> 
            </TransformGroup.Children> 
           </TransformGroup> 
          </Grid.LayoutTransform> 
          <Ellipse x:Name="circle" HorizontalAlignment="Center" Height="19" Stroke="DarkGray" VerticalAlignment="Center" Width="19"/> 
          <Path x:Name="arrow" Data="M 1,1.5 L 4.5,5 L 8,1.5" HorizontalAlignment="Center" SnapsToDevicePixels="false" Stroke="#666" StrokeThickness="2" VerticalAlignment="Center"/> 
         </Grid> 
         <ContentPresenter HorizontalAlignment="Center" Margin="0,4,0,0" Grid.Row="1" RecognizesAccessKey="True" SnapsToDevicePixels="True" VerticalAlignment="Top"/> 
        </Grid> 
       </Border> 
       <ControlTemplate.Triggers> 
        <Trigger Property="IsChecked" Value="true"> 
         <Setter Property="Data" TargetName="arrow" Value="M 1,4.5 L 4.5,1 L 8,4.5"/> 
        </Trigger> 
        <Trigger Property="IsMouseOver" Value="true"> 
         <Setter Property="Stroke" TargetName="circle" Value="#FF3C7FB1"/> 
         <Setter Property="Stroke" TargetName="arrow" Value="#222"/> 
        </Trigger> 
        <Trigger Property="IsPressed" Value="true"> 
         <Setter Property="Stroke" TargetName="circle" Value="#FF526C7B"/> 
         <Setter Property="StrokeThickness" TargetName="circle" Value="1.5"/> 
         <Setter Property="Stroke" TargetName="arrow" Value="#FF003366"/> 
        </Trigger> 
       </ControlTemplate.Triggers> 
      </ControlTemplate> 
     </Setter.Value> 
    </Setter> 
</Style> 
<Style x:Key="ExpanderHeaderFocusVisual"> 
    <Setter Property="Control.Template"> 
     <Setter.Value> 
      <ControlTemplate> 
       <Border> 
        <Rectangle Margin="0" SnapsToDevicePixels="true" Stroke="Black" StrokeThickness="1" StrokeDashArray="1 2"/> 
       </Border> 
      </ControlTemplate> 
     </Setter.Value> 
    </Setter> 
</Style> 
<Style x:Key="ExpanderDownHeaderStyle" TargetType="{x:Type ToggleButton}"> 
    <Setter Property="Template"> 
     <Setter.Value> 
      <ControlTemplate TargetType="{x:Type ToggleButton}"> 
       <Border Padding="{TemplateBinding Padding}"> 
        <Grid Background="Transparent" SnapsToDevicePixels="False"> 
         <Grid.ColumnDefinitions> 
          <ColumnDefinition Width="19"/> 
          <ColumnDefinition Width="*"/> 
         </Grid.ColumnDefinitions> 
         <Ellipse x:Name="circle" HorizontalAlignment="Center" Height="19" Stroke="DarkGray" VerticalAlignment="Center" Width="19"/> 
         <Path x:Name="arrow" Data="M 1,1.5 L 4.5,5 L 8,1.5" HorizontalAlignment="Center" SnapsToDevicePixels="false" Stroke="#666" StrokeThickness="2" VerticalAlignment="Center"/> 
         <ContentPresenter Grid.Column="1" HorizontalAlignment="Left" Margin="4,0,0,0" RecognizesAccessKey="True" SnapsToDevicePixels="True" VerticalAlignment="Center"/> 
        </Grid> 
       </Border> 
       <ControlTemplate.Triggers> 
        <Trigger Property="IsChecked" Value="true"> 
         <Setter Property="Data" TargetName="arrow" Value="M 1,4.5 L 4.5,1 L 8,4.5"/> 
        </Trigger> 
        <Trigger Property="IsMouseOver" Value="true"> 
         <Setter Property="Stroke" TargetName="circle" Value="#FF3C7FB1"/> 
         <Setter Property="Stroke" TargetName="arrow" Value="#222"/> 
        </Trigger> 
        <Trigger Property="IsPressed" Value="true"> 
         <Setter Property="Stroke" TargetName="circle" Value="#FF526C7B"/> 
         <Setter Property="StrokeThickness" TargetName="circle" Value="1.5"/> 
         <Setter Property="Stroke" TargetName="arrow" Value="#FF003366"/> 
        </Trigger> 
       </ControlTemplate.Triggers> 
      </ControlTemplate> 
     </Setter.Value> 
    </Setter> 
</Style> 
<Style x:Key="ExpanderStyle1" TargetType="{x:Type Expander}"> 
    <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/> 
    <Setter Property="Background" Value="Transparent"/> 
    <Setter Property="HorizontalContentAlignment" Value="Stretch"/> 
    <Setter Property="VerticalContentAlignment" Value="Stretch"/> 
    <Setter Property="BorderBrush" Value="Transparent"/> 
    <Setter Property="BorderThickness" Value="1"/> 
    <Setter Property="Template"> 
     <Setter.Value> 
      <ControlTemplate TargetType="{x:Type Expander}"> 
       <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" CornerRadius="3" SnapsToDevicePixels="true"> 
        <DockPanel> 
         <ToggleButton x:Name="HeaderSite" ContentTemplate="{TemplateBinding HeaderTemplate}" ContentTemplateSelector="{TemplateBinding HeaderTemplateSelector}" Content="{TemplateBinding Header}" DockPanel.Dock="Top" Foreground="{TemplateBinding Foreground}" FontWeight="{TemplateBinding FontWeight}" FocusVisualStyle="{StaticResource ExpanderHeaderFocusVisual}" FontStyle="{TemplateBinding FontStyle}" FontStretch="{TemplateBinding FontStretch}" FontSize="{TemplateBinding FontSize}" FontFamily="{TemplateBinding FontFamily}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" Margin="1" MinWidth="0" MinHeight="0" Padding="{TemplateBinding Padding}" Style="{StaticResource ExpanderDownHeaderStyle}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"/> 
         <ContentPresenter x:Name="ExpandSite" DockPanel.Dock="Bottom" Focusable="false" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" Visibility="Collapsed" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/> 
        </DockPanel> 
       </Border> 
       <ControlTemplate.Triggers> 
        <Trigger Property="IsExpanded" Value="true"> 
         <Setter Property="Visibility" TargetName="ExpandSite" Value="Visible"/> 
        </Trigger> 
        <Trigger Property="ExpandDirection" Value="Right"> 
         <Setter Property="DockPanel.Dock" TargetName="ExpandSite" Value="Right"/> 
         <Setter Property="DockPanel.Dock" TargetName="HeaderSite" Value="Left"/> 
         <Setter Property="Style" TargetName="HeaderSite" Value="{StaticResource ExpanderRightHeaderStyle}"/> 
        </Trigger> 
        <Trigger Property="ExpandDirection" Value="Up"> 
         <Setter Property="DockPanel.Dock" TargetName="ExpandSite" Value="Top"/> 
         <Setter Property="DockPanel.Dock" TargetName="HeaderSite" Value="Bottom"/> 
         <Setter Property="Style" TargetName="HeaderSite" Value="{StaticResource ExpanderUpHeaderStyle}"/> 
        </Trigger> 
        <Trigger Property="ExpandDirection" Value="Left"> 
         <Setter Property="DockPanel.Dock" TargetName="ExpandSite" Value="Left"/> 
         <Setter Property="DockPanel.Dock" TargetName="HeaderSite" Value="Right"/> 
         <Setter Property="Style" TargetName="HeaderSite" Value="{StaticResource ExpanderLeftHeaderStyle}"/> 
        </Trigger> 
        <Trigger Property="IsEnabled" Value="false"> 
         <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/> 
        </Trigger> 
       </ControlTemplate.Triggers> 
      </ControlTemplate> 
     </Setter.Value> 
    </Setter> 
</Style> 
<!-- Resource dictionary entries should be defined here. -->
fonte
2012-04-13 15:47:53 Rhyous
Grazie mille. Sai se questo è l'Expander di .Net 3.5 o 4? Ho sentito che sono diversi. –
Il mio progetto è stato impostato su .NET 4. – Rhyous
Ho creato un progetto .NET 3.5 e generato lo stesso stile con Blend, quindi confrontato con BeyondCompare e erano identici. – Rhyous
Default ControlTemplate per Expander

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