Wpf 在上面的示例中，路径较短，但在我的实际应用程序中，我需要访问对象的其他属性，并有可能更改它们的显示方式。正如Icrellik所说，它并不能解决问题。@wilford，我已经更新了答案。你能用SelectedItem而不是SelectedValue来测试你的

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在上面的示例中，路径较短，但在我的实际应用程序中，我需要访问对象的其他属性，并有可能更改它们的显示方式。正如Icrellik所说，它并不能解决问题。@wilford，我已经更新了答案。你能用

SelectedItem

而不是

SelectedValue

来测试你的原始代码吗？我试过了，但仅仅用SelectedItem替换SelectedValue并不能改变SelectionBoxItemTemplate被用于选择而不是ItemTemplate（我期望并忽略了检查）的事实，因此行为是相同的。我只有对SelectionBoxItemTemplate的读取权限，所以这就是问题所在。从我所读到的SelectedValue和SelectedItem之间的区别来看，我认为我在这里使用哪一个没有什么区别。@wilford，好的，我明白了，现在我看到它发生了，因为您的组合框中有

groupbox

。我以前没提过。这取决于你，但我会尽量避免这种情况。回答很好，解释得很好，你的修复工作完美，谢谢！

<ComboBox ItemsSource="{Binding GroupBoxes}" SelectedValue="{Binding SelectedGroupBox}">
  <ComboBox.ItemTemplate>
    <DataTemplate>
      <TextBlock Text="{Binding Name}"/>
    </DataTemplate>
  </ComboBox.ItemTemplate>          
</ComboBox>

public MainWindow() {
    InitializeComponent();
    this.DataContext = this;
    this.GroupBoxes = new ObservableCollection<GroupBox>();
    this.GroupBoxes.Add(new GroupBox() { Name = "AAA", Header = "AAA", Height = 100, Background = Brushes.Purple });
    this.GroupBoxes.Add(new GroupBox() { Name = "BBB", Header = "BBB", Height = 100, Background = Brushes.Purple });
    this.GroupBoxes.Add(new GroupBox() { Name = "CCC", Header = "CCC", Height = 100, Background = Brushes.Purple });
    this.GroupBoxes.Add(new GroupBox() { Name = "DDD", Header = "DDD", Height = 100, Background = Brushes.Purple });
    this.GroupBoxes.Add(new GroupBox() { Name = "EEE", Header = "EEE", Height = 100, Background = Brushes.Purple });
}

#region GroupBoxesProperty

public static readonly DependencyProperty GroupBoxesProperty = DependencyProperty.Register(
    "GroupBoxes", typeof(ObservableCollection<GroupBox>), typeof(MainWindow)
);

public ObservableCollection<GroupBox> GroupBoxes {
    get { return (ObservableCollection<GroupBox>)GetValue(GroupBoxesProperty); }
    set { SetValue(GroupBoxesProperty, value); }
}

#endregion

#region SelectedGroupBoxProperty

public static readonly DependencyProperty SelectedGroupBoxProperty = DependencyProperty.Register(
    "SelectedGroupBox", typeof(GroupBox), typeof(MainWindow),
    new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, (s, e) => (s as MainWindow).OnSelectedGroupBoxChanged())
);

public GroupBox SelectedGroupBox {
    get { return (GroupBox)GetValue(SelectedGroupBoxProperty); }
    set { SetValue(SelectedGroupBoxProperty, value); }
}

void OnSelectedGroupBoxChanged() {
    Console.WriteLine("selection is now " + this.SelectedGroupBox.Name);
}

#endregion

 <Combobox DisplayMemberPath="Name" ... />

<ContentPresenter IsHitTestVisible="false"
    Margin="8,1,1,1"
    Content="{TemplateBinding SelectionBoxItem}"
    ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
    ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}"
    VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
    HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
    SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>

<ComboBox ItemsSource="{Binding GroupBoxes}" SelectedValue="{Binding SelectedGroupBox}">
    <ComboBox.ItemTemplateSelector>
            <ts:ComboBoxItemTemplateSelector>
                <ts:ComboBoxItemTemplateSelector.SelectedTemplate>
                    <DataTemplate>
                    <TextBlock Text="{Binding Name}"/>
                    </DataTemplate>
                </ts:ComboBoxItemTemplateSelector.SelectedTemplate>                  
            </ts:ComboBoxItemTemplateSelector>
        </ComboBox.ItemTemplateSelector>     
</ComboBox>

public class ComboBoxItemTemplateSelector : DataTemplateSelector
{
    public DataTemplate SelectedTemplate { get; set; }

    public override DataTemplate SelectTemplate(object item, DependencyObject container)
    {
        return SelectedTemplate;     
    }
}