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SilverLight的TreeView控件如何用程序设置某节点的选中状态，如何用程序展开某节点？ RRS feed

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    private void Button_Click(object sender, RoutedEventArgs e)

    {

     

    TreeViewItem t= TreeView1.Items[1] as TreeViewItem;

    t.IsExpanded = !t.IsExpanded;

    }

     

     

    <StackPanel>

     

     

    <Button Width="100" Height="30" Click="Button_Click"></Button>

     

     

    <controls:TreeView x:Name="TreeView1">

     

     

    <controls:TreeViewItem Header="John"/>

     

     

    <controls:TreeViewItem Header="Greg" IsExpanded="True">

     

     

    <controls:TreeViewItem Header="Linda"/>

     

     

    <controls:TreeViewItem Header="Darren"/>

     

     

    </controls:TreeViewItem>

     

     

    <controls:TreeViewItem Header="Allice" IsExpanded="True">

     

     

    <controls:TreeViewItem Header="Neil"/>

     

     

    </controls:TreeViewItem>

     

     

    </controls:TreeView>

     

     

    </StackPanel>

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    • 已标记为答案 子龙 2009年9月27日 3:29
    2009年9月25日 9:29
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