public static IObservable <GestureEventArgs> AsObservable(this IGestureSensor gesture)
{
return(Observable.Merge(
gesture.MoveForwardAsObservable(),
gesture.SlideDownAsObservable(),
gesture.SlideUpAsObservable(),
gesture.SlideLeftAsObservable(),
gesture.SlideRightAsObservable(),
gesture.WaveAsObservable()));
}