using System;
using System.Windows.Forms;

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