Bug Fix for TreeView Component checkbox (doubleclick)

MyTreeView.cs

using System;
using System.Windows.Forms;

public class MyTreeView : TreeView {
  protected override void WndProc(ref Message m) {
    // Suppress WM_LBUTTONDBLCLK
    if (m.Msg == 0x203) { m.Result = IntPtr.Zero; }
    else base.WndProc(ref m);
  }
}