40 lines
1.0 KiB
C#
40 lines
1.0 KiB
C#
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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namespace _5_WPF模板和自定义元素;
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public partial class VisualTreeDisplayWindow : Window
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{
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public VisualTreeDisplayWindow()
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{
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InitializeComponent();
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}
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public void ShowVisualTree(DependencyObject element)
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{
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// 清除树
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TreeViewElement.Items.Clear();
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// 递归添加元素及其子元素
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ProcessElement(element, null);
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}
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private void ProcessElement(DependencyObject element, TreeViewItem? previousItem)
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{
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var item = new TreeViewItem
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{
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Header = element.GetType().Name,
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IsExpanded = true
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};
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// 检查跟节点，如果不为空添加子节点
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if (previousItem == null)
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TreeViewElement.Items.Add(item);
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else
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previousItem.Items.Add(item);
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for (var i = 0; i < VisualTreeHelper.GetChildrenCount(element); i++)
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ProcessElement(VisualTreeHelper.GetChild(element, i), item);
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}
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}
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