ArcGISWindowsPhoneSDK.Coordinates.MyMap_MapGesture C# (CSharp) Method

        private void MyMap_MapGesture(object sender, Map.MapGestureEventArgs e)
        {
            if (e.Gesture == GestureType.Tap && MyMap.Extent != null && !_dispatcherTimer.IsEnabled)
            {
                _currentScreenPoint = e.GetPosition(MyMap);
                _dispatcherTimer.Start();
            }
            else if (e.Gesture == GestureType.DoubleTap)
            {
                _dispatcherTimer.Stop();
            }
        }