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- using System.ComponentModel;
- namespace System.Windows.Forms
- {
- public class TreeNodeCollection : BindingList<TreeNode>
- {
- private TreeView owner;
- private TreeNode Parent { get; }
- internal void SetOwner(TreeView owner)
- {
- this.owner = owner;
- foreach (var item in this)
- item.SetOwner(owner);
- }
- public new TreeNode Add(TreeNode node)
- {
- base.Add(node);
- node.SetOwner(owner);
- node.SetParent(Parent);
- return node;
- }
- public TreeNode Add(string text) => Add(new TreeNode() { Text = text });
- public void AddRange(TreeNode[] nodes)
- {
- foreach (var node in nodes)
- Add(node);
- }
- internal TreeNodeCollection(TreeNode parent) => Parent = parent;
- }
- }
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