C# Avalonia 17- ControlTemplates - VisualTreeDisplay

VisualTreeDisplay.axaml代码

<Window xmlns="https://github.com/avaloniaui"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"Height="620" Width="480"x:Class="AvaloniaUI.VisualTreeDisplay"Title="VisualTreeDisplay"><TreeView Name="treeElements" Margin="10"></TreeView>
</Window>

VisualTreeDisplay.axaml.cs代码

using Avalonia;
using Avalonia.Controls;
using Avalonia.VisualTree;namespace AvaloniaUI;public partial class VisualTreeDisplay : Window
{public VisualTreeDisplay(){InitializeComponent();// 当窗口完全加载后，显示自身的可视树this.Opened += (_, _) => ShowVisualTree(this);}public void ShowVisualTree(Visual element){treeElements.Items.Clear();ProcessElement(element, null);}private void ProcessElement(Visual element, TreeViewItem? parent){// 构造标题：类型 + 控件名（如果有）string? name = (element as Control)?.Name;string header = string.IsNullOrEmpty(name)? element.GetType().Name: $"{element.GetType().Name} ({name})";var item = new TreeViewItem{Header = header,IsExpanded = true,  // 默认全部展开Tag = element       // 可选：保存引用以供后续扩展};if (parent == null)treeElements.Items.Add(item);elseparent.Items.Add(item);// 遍历可视子节点foreach (var child in element.GetVisualChildren()){if (child is Visual v)ProcessElement(v, item);}}
}

运行效果