// Register to receive all signals.
	c := make(chan os.Signal, 1)
	signal.Notify(c)

	// Get console window handle.
	kernel32 := syscall.NewLazyDLL("kernel32.dll")
	getConsoleWindow := kernel32.NewProc("GetConsoleWindow")
	hwnd, _, err := getConsoleWindow.Call()
	if hwnd == 0 {
		log.Fatal("no associated console: ", err)
	}

	// Send message to close the console window.
	const _WM_CLOSE = 0x0010