protected override void ProcessRecord()
{
if (hWnd == IntPtr.Zero)
{
hWnd = System.Diagnostics.Process.GetCurrentProcess().MainWindowHandle;
}
IntPtr hMenu = USER32.GetSystemMenu(hWnd, false);
USER32.EnableMenuItem(hMenu, USER32.SC_CLOSE, USER32.MF_GRAYED); // Disables controlbox
USER32.RemoveMenu(hMenu, USER32.SC_CLOSE, USER32.MF_BYCOMMAND); // Disables the exit menu
}