C# TreeView 連續點擊 不觸發AfterCheck事件

建立一個類 TreeView2

namespace System.Windows.Forms{    public class TreeView2 : TreeView    {        protected override void WndProc(ref Message m)        {            if (m.Msg != 0x203)            {                base.WndProc(ref m);            }        }    }}

然後前台放置一個TreeView控制項。名叫：treeView1

後台代碼：

private void Form3_Load(object sender, EventArgs e)        {            //測試資料            TreeNode t = new TreeNode();            t.Text = "所有許可權";            TreeNode t1 = new TreeNode();            t1.Text = "會員消費";            t.Nodes.Add(t1);            for (int i = 0; i < 100; i++)            {                TreeNode t2 = new TreeNode();                t2.Text = "Test" + i;                t1.Nodes.Add(t2);            }            this.treeView1.CheckBoxes = true;            this.treeView1.Nodes.Add(t);        }        private void CheckAllChildNodes(TreeNode treeNode, bool nodeChecked)        {            foreach (TreeNode node in treeNode.Nodes)            {                node.Checked = nodeChecked;                if (node.Nodes.Count > 0)                {                    this.CheckAllChildNodes(node, nodeChecked);                }            }        }        private void treeView1_AfterCheck(object sender, TreeViewEventArgs e)        {            if (e.Action != TreeViewAction.Unknown)            {                if (e.Node.Nodes.Count > 0)                {                    this.CheckAllChildNodes(e.Node, e.Node.Checked);                }            }        }

最後，將 Form3.Designer.cs 檔案中的 TreeView 全部替換成我們的 TreeView2