Sample code of fixing strange slider behivor with GestureService (code-behind)

MainPage.xaml.cs

using System.Windows.Input;
using Microsoft.Phone.Controls;
using Microsoft.Xna.Framework.Input.Touch;

namespace SliderWithGestureService {
    public partial class MainPage : PhoneApplicationPage {
        // Constructor
        public MainPage() {
            InitializeComponent();
        }

        private void GestureListener_DragDelta(object sender, DragDeltaGestureEventArgs e) {
            transform.X += e.HorizontalChange;
            transform.Y += e.VerticalChange;
        }


        GestureType prevGestureType;
        private void disableGestures(object sender, ManipulationStartedEventArgs e) {
            prevGestureType = TouchPanel.EnabledGestures;
            TouchPanel.EnabledGestures = GestureType.None;
            fixedSlider.IsHitTestVisible = false;
        }

        private void restoreGestures(object sender, ManipulationCompletedEventArgs e) {
            TouchPanel.EnabledGestures = prevGestureType;
        }
    }
}