就像我在评论部分所说的那样,我看不出 aComboBox
在您的情况下有多方便。
这是一个如何使用来实现这样的事情的例子TreeView
使用MSDN 示例,创建一个代表您的节点的类TreeView
public class Path
{
public string Name { get; set; }
public bool IsLeaf { get; set; }
public ObservableCollection<Path> Children { get; set; }
}
创建一个HierarchicalDataTemplate来展示它
<HierarchicalDataTemplate x:Key="LeafTemplate" ItemsSource="{Binding Children}">
<TextBlock FontStyle="Italic" Text="{Binding Name}" />
</HierarchicalDataTemplate>
<HierarchicalDataTemplate x:Key="FolderTemplate" ItemsSource="{Binding Children}" ItemTemplate="{StaticResource LeafTemplate}">
<TextBlock Text="{Binding Path=Name}"/>
</HierarchicalDataTemplate>
制作一个TreeView
使用它的,并拒绝关注不是叶子的路径
<TreeView Width="400" Height="300" ItemsSource="{Binding Paths}"
ItemTemplate="{StaticResource FolderTemplate}" x:Name="myTreeView">
<TreeView.ItemContainerStyle>
<Style TargetType="{x:Type TreeViewItem}">
<Setter Property="Focusable" Value="{Binding IsLeaf}"/>
</Style>
</TreeView.ItemContainerStyle>
</TreeView>
如果要测试此示例,可以使用以下代码进行Paths
填充
Paths = new ObservableCollection<Path>();
var p1 = new Path { Name = "Folder 1", IsLeaf = false , Children = new ObservableCollection<Path>() };
var p11 = new Path { Name = "Item 1-1", IsLeaf = true, Children = new ObservableCollection<Path>() };
var p12 = new Path { Name = "Item 1-2", IsLeaf = true, Children = new ObservableCollection<Path>() };
var p13 = new Path { Name = "Folder 1-3", IsLeaf = false, Children = new ObservableCollection<Path>() };
var p131 = new Path { Name = "Item 1-3-1", IsLeaf = true, Children = new ObservableCollection<Path>() };
// Build path's
p13.Children.Add(p131);
p1.Children.Add(p11);
p1.Children.Add(p12);
p1.Children.Add(p13);
Paths.Add(p1);
你当然可以控制他的可见性并让它在你喜欢的时候出现,例如当一个按钮被点击时,例如:
<ToggleButton Content="Select Item" x:Name="treeViewVisible"/>
<TreeView Width="400" Height="300" ItemsSource="{Binding Paths}"
Visibility="{Binding ElementName=treeViewVisible, Path=IsChecked, Converter={StaticResource boolToVisibilityConverter}}" .... />
希望这可以帮助