public void DefWndProc(ref Message m)
{
m.Result = NativeMethods.CallWindowProc(defWindowProc, m.HWnd, m.Msg, m.WParam, m.LParam);
}
/// <summary>
///
/// </summary>
/// <param name="m"></param>
private void CallWindowProc(ref Message m)
{
m.Result = NativeMethods.CallWindowProc(orgWndProc, m.HWnd, m.Msg, m.WParam, m.LParam);
}