public void Stop()
{
if (_window == null)
{
return;
}
NativeMethods.UnregisterPowerSettingNotification(_ScreenStateNotify);
_window.DestroyHandle();
_window.ReleaseHandle();
_window = null;
}
public void Start()
{
if (_window != null)
{
return;
}
_window = new EventNativeWindow();
_window.Message += _window_Message;
_window.CreateHandle(new CreateParams());
_ScreenStateNotify = NativeMethods.RegisterPowerSettingNotification(
_window.Handle,
ref NativeMethods.GUID_CONSOLE_DISPLAY_STATE,
NativeMethods.DEVICE_NOTIFY_WINDOW_HANDLE);
}