加几个控件

Gui/UILib/TreeNode.cs

@@ -0,0 +1,18 @@
+using System.Collections.Generic;
+
+namespace CMLeonOS.Gui.UILib
+{
+    internal class TreeNode
+    {
+        internal TreeNode(string text, object tag = null)
+        {
+            Text = text;
+            Tag = tag;
+        }
+
+        internal string Text { get; set; }
+        internal object Tag { get; set; }
+        internal bool Expanded { get; set; } = false;
+        internal List<TreeNode> Children { get; } = new List<TreeNode>();
+    }
+}