TreeView uses SelectedValuePath property to provide a SelectedValue for the SelectedItem. : TreeView « Windows Presentation Foundation « C# / CSharp Tutorial






  1. C# / CSharp Tutorial
  2. Windows Presentation Foundation
  3. TreeView
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TreeViewSelectedValue">
  <FrameworkElement.Resources>
    <XmlDataProvider x:Key="myCourseData" XPath="/CourseData">
      <x:XData>
        <CourseData xmlns="">
          <CourseInfo>
            <CourseName>A</CourseName>
            <CourseWorkDay>Monday</CourseWorkDay>
            <CourseWorkDay>Tuesday</CourseWorkDay>
            <CourseWorkDay>Wednesday</CourseWorkDay>
            <CourseWorkDay>Thrusday</CourseWorkDay>
            <CourseWorkDay>Friday</CourseWorkDay>
            <CourseStartTime>8:00am</CourseStartTime>
            <CourseNumber>12345</CourseNumber>
          </CourseInfo>
          <CourseInfo>
            <CourseName>B</CourseName>
            <CourseWorkDay>Monday</CourseWorkDay>
            <CourseWorkDay>Tuesday</CourseWorkDay>
            <CourseStartTime>6:30am</CourseStartTime>
            <CourseNumber>98765</CourseNumber>
          </CourseInfo>
        </CourseData>
      </x:XData>
    </XmlDataProvider>
    <HierarchicalDataTemplate DataType="CourseInfo" ItemsSource ="{Binding XPath=CourseWorkDay}">
      <TextBlock Text="{Binding XPath=CourseName}" />
    </HierarchicalDataTemplate>
  </FrameworkElement.Resources>
  <StackPanel>
    <TreeView ItemsSource="{Binding Source={StaticResource myCourseData}, XPath=CourseInfo}" 
        Name="myTreeView" SelectedValuePath="CourseNumber"/>

    <TextBlock Margin="10">SelectedValuePath: </TextBlock>
    <TextBlock Margin="10" Text="{Binding ElementName=myTreeView, Path=SelectedValuePath}"/>
    <TextBlock Margin="10">SelectedValue: </TextBlock>
    <TextBlock Margin="10" Text="{Binding ElementName=myTreeView, Path=SelectedValue}"/>

  </StackPanel>     

</Page>
WPF Tree View Uses Selected Value Path Property To Provide A Selected Value For The Selected Item




24.51.TreeView
24.51.1.TreeView uses SelectedValuePath property to provide a SelectedValue for the SelectedItem.TreeView uses SelectedValuePath property to provide a SelectedValue for the SelectedItem.
24.51.2.TreeView with DataSourceTreeView with DataSource
24.51.3.TreeView And TreeViewItemTreeView And TreeViewItem
24.51.4.Create a Tree and add childrenCreate a Tree and add children
24.51.5.Add Ellipse, TextBlock to a TreeAdd Ellipse, TextBlock to a Tree
24.51.6.Mark Tree node expandableMark Tree node expandable
24.51.7.Bind a TreeView to a data source and use DataTemplate objects to customize the TreeView.Bind a TreeView to a data source and use DataTemplate objects to customize the TreeView.
24.51.8.Handles the Selected event for all TreeViewItemsHandles the Selected event for all TreeViewItems
24.51.9.Set TreeView with TreeViewItemSet TreeView with TreeViewItem
24.51.10.View and Select Items Using a TreeView and Select Items Using a Tree
24.51.11.Get selected tree node itemGet selected tree node item