public override IScriptCommand Execute(ParameterDic pm)
{
TouchEventArgs TouchEvent = pm.GetValue <TouchEventArgs>(RoutedEventArgsKey);
IUIInput input = pm.GetValue <IUIInput>(InputKey);
TouchGesture inputGesture = input.GetTouchGesture();
TouchGesture gesture = pm.GetValue <TouchGesture>(TouchGestureKey);
if (inputGesture == null || gesture == null || inputGesture.TouchDevice == UIInputState.NotApplied)
{
return(OtherwiseCommand);
}
bool match = (gesture.TouchAction == UITouchGesture.NotApplied || inputGesture.TouchAction == gesture.TouchAction) &&
(gesture.TouchDevice == UIInputState.NotApplied || inputGesture.TouchDevice == gesture.TouchDevice);
return(match ? NextCommand : OtherwiseCommand);
}