internal NMTTDISPINFO(int flags)
{
this.hdr = new NMHDR(0);
this.lpszText = IntPtr.Zero;
this.szText = IntPtr.Zero;
this.hinst = IntPtr.Zero;
this.uFlags = 0;
this.lParam = IntPtr.Zero;
}
public static extern int SendMessage(
IntPtr hWnd, int msg, IntPtr wParam, ref NMHDR lParam);
public static extern int RtlMoveMemory(
ref NMHDR destination, IntPtr source, int length);