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我有一个TreeView的节点,所以当我点击其中一个节点时,我将更新列表框的项目绑定到一个Observable集合,这很好。接下来,当我点击树视图中的另一个节点时,我将不得不用不同的数据更新列表框(这也是一个Obsv.Collection)。任何想法如何进行这个?更新列表框项目
<Resources>
<DataTemplate x:Key="clipsource">
<StackPanel>
<Image Name="img" Width="125" Height="70" Margin="1,0" Source="{Binding Path=Path, Converter= {x:Static l:UriToThumbnailConverter.Instance}}"/>
<TextBlock FlowDirection="LeftToRight" FontFamily="Arial" FontSize="12" Text="{Binding Path = DisplayClipName}"/>
</StackPanel>
</DataTemplate>
</Resources>
<Grid Height="Auto" Grid.Column="2" VerticalAlignment="Stretch" x:Name="RightPane_grid" Margin="2,0,0,0" KeyboardNavigation.DirectionalNavigation="None">
<Grid.RowDefinitions>
<RowDefinition Height="21.205"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Rectangle Fill="#FF232323" Stroke="#FF000000" RadiusX="3" RadiusY="3" Margin="0,0,0,0" x:Name="Right_Pane_bkg" Grid.ColumnSpan="1" Grid.RowSpan="2" KeyboardNavigation.DirectionalNavigation="None"/>
<ListBox Name="ListBox1" SelectionMode="Extended" ScrollViewer.HorizontalScrollBarVisibility="Disabled" ScrollViewer.VerticalScrollBarVisibility="Auto" Grid.Row="0" Background="#FF3B3B3B" Margin="2,25,2,2" ItemsSource="{Binding}" ItemTemplate="{StaticResource clipsource}">
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<WrapPanel />
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
<ListBox.ItemContainerStyle>
<Style TargetType="{x:Type ListBoxItem}">
<Setter Property="IsSelected" Value="{Binding Path=IsSelected, Mode=TwoWay}"/>
</Style>
</ListBox.ItemContainerStyle>
</ListBox>
</Grid>
代码背后:
private void Handle_Click1(object sender, MouseButtonEventArgs e) // tree view Item
{
ListBox1.DataContext = Clips Items;
// Clips Items is an Obs v. Collection
}
我有另一个观测值ν,其我必须将它绑定到列表框中显示另一种观点认为
我看到你正在试图粘贴XAML注释。你可以编辑你的问题。把那里 – 2012-04-12 20:26:15
你可以显示在第一个节点上点击列表框的代码吗? – Steve 2012-04-12 20:27:54
基本思路:将ListBox.ItemsSource绑定到TreeView的SelectedItem属性。 – 2012-04-12 20:41:57