我需要WPF 4

Question

手风琴控制，我找了一个手风琴控制WPF .NET 4

我知道Codeplex上的WPF工具包具有手风琴控制的，但指出它与兼容.NET 3.5。它会在第4版中起作用吗？

Answer 1

是，该工具包中手风琴与.NET完全兼容4

Answer 2

是的手风琴控件与.NET 4下面是介绍如何使用它的一篇文章：

http://www.c-sharpcorner.com/uploadfile/dpatra/538/

Answer 3

我们为扩展器的部分创建了一个ListBox的自定义样式。这使我们可以通过简单地设计扩展器样式来自定义菜单项的外观和风格（即汇总按钮，当无效时为红色等）。下面是一个代码片段，可以作为起点，您可以自定义它以适合您需要。注意：使用IsSelected绑定IsExpanded使其一次只能打开一个扩展器，如果想要一次打开多个扩展器，只需将其删除即可。

 <Style x:Key="VerticalListBoxWithAutoScroll" TargetType="{x:Type ListBox}"> 
     <Setter Property="SnapsToDevicePixels" Value="true"/> 
     <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/> 
     <Setter Property="ScrollViewer.CanContentScroll" Value="true"/> 
     <Setter Property="Template"> 
      <Setter.Value> 
       <ControlTemplate> 
        <Grid> 
         <ScrollViewer x:Name="scrollviewer"> 
          <ScrollViewer.Template> 
           <ControlTemplate TargetType="{x:Type ScrollViewer}" > 
            <Grid > 

             <ScrollBar x:Name="PART_VerticalScrollBar" Orientation="Vertical" 
                  Value="{TemplateBinding VerticalOffset}" 
                  Maximum="{TemplateBinding ScrollableHeight}" 
                  ViewportSize="{TemplateBinding ViewportHeight}" 
                  Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" 
                  Width="{Binding Width, ElementName=Panel}"> 
              <ScrollBar.Template> 
               <ControlTemplate> 
                <Track x:Name="PART_Track"> 
                 <Track.DecreaseRepeatButton> 
                  <RepeatButton Command="ScrollBar.PageUpCommand" 
                      Background="White" BorderBrush="Transparent"/> 
                 </Track.DecreaseRepeatButton> 
                 <Track.IncreaseRepeatButton> 
                  <RepeatButton Command="ScrollBar.PageDownCommand" 
                      Background="White" BorderBrush="Transparent"/> 
                 </Track.IncreaseRepeatButton> 
                 <Track.Thumb> 
                  <Thumb BorderBrush="Transparent" 
                    Background="White" Opacity="0.8" /> 
                 </Track.Thumb> 
                </Track> 
               </ControlTemplate> 
              </ScrollBar.Template> 
             </ScrollBar> 
             <ScrollContentPresenter Height="Auto" VerticalAlignment="Center"/> 
            </Grid> 
           </ControlTemplate> 
          </ScrollViewer.Template> 
          <ItemsPresenter/> 
         </ScrollViewer> 
         <Grid x:Name="Panel"> 
          <Grid.ColumnDefinitions> 
           <ColumnDefinition Width="*" /> 
          </Grid.ColumnDefinitions> 
          <Grid.RowDefinitions> 
           <RowDefinition Height="Auto"/> 
           <RowDefinition Height="*" /> 
           <RowDefinition Height="Auto" /> 
          </Grid.RowDefinitions> 
          <RepeatButton Grid.Row="0" x:Name="LineUpButton" Height="30" Width="80" HorizontalAlignment="Center" Opacity="0" Visibility="Collapsed" 
            Style="{StaticResource ScrollBarLineButton}" 
            Content="M 0 8 L 8 8 L 4 0 Z"  
            Command="{x:Static ScrollBar.LineUpCommand}"  
            CommandTarget="{Binding ElementName=scrollviewer}" 
            ClickMode="Hover" /> 
          <RepeatButton Grid.Row="2" x:Name="LineDownButton" Height="30" Width="80" HorizontalAlignment="Center" Opacity="0" Visibility="Collapsed" 
            Style="{StaticResource ScrollBarLineButton}" 
            Content="M 0 0 L 4 8 L 8 0 Z" 
            Command="{x:Static ScrollBar.LineDownCommand}"  
            CommandTarget="{Binding ElementName=scrollviewer}" 
            ClickMode="Hover"/> 
         </Grid> 
        </Grid> 
        <ControlTemplate.Triggers> 
         <MultiTrigger> 
          <MultiTrigger.Conditions> 
           <Condition Property="IsMouseOver" Value="True"/> 
           <Condition Property="ComputedVerticalScrollBarVisibility" SourceName="scrollviewer" Value="Visible"/> 
          </MultiTrigger.Conditions> 
          <MultiTrigger.EnterActions> 
           <BeginStoryboard> 
            <Storyboard> 
             <DoubleAnimation Storyboard.TargetName="LineUpButton" 
                 Storyboard.TargetProperty="Opacity" To="0.8" Duration="0:0:0.25"/> 
             <DoubleAnimation Storyboard.TargetName="LineDownButton" 
                 Storyboard.TargetProperty="Opacity" To="0.8" Duration="0:0:0.25"/> 
            </Storyboard> 
           </BeginStoryboard> 
          </MultiTrigger.EnterActions> 
          <MultiTrigger.ExitActions> 
           <BeginStoryboard> 
            <Storyboard> 
             <DoubleAnimation Storyboard.TargetName="LineUpButton" 
                 Storyboard.TargetProperty="Opacity" To="0" Duration="0:0:0.25"/> 
             <DoubleAnimation Storyboard.TargetName="LineDownButton" 
                 Storyboard.TargetProperty="Opacity" To="0" Duration="0:0:0.25"/> 
            </Storyboard> 
           </BeginStoryboard> 
          </MultiTrigger.ExitActions> 
          <Setter TargetName="LineUpButton" Property="Visibility" Value="Visible" /> 
          <Setter TargetName="LineDownButton" Property="Visibility" Value="Visible" /> 
         </MultiTrigger> 
        </ControlTemplate.Triggers> 
       </ControlTemplate> 
      </Setter.Value> 
     </Setter> 
     <Setter Property="ItemTemplate"> 
      <Setter.Value > 
       <DataTemplate> 
        <StackPanel Background="White"> 
         <Expander Content="{Binding}" Width="Auto" Header="{Binding DisplayName}" 
           IsExpanded="{Binding IsSelected, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ListBoxItem}}}" > 
         </Expander> 
        </StackPanel> 
       </DataTemplate> 
      </Setter.Value> 
     </Setter> 
    </Style>