BlurEffect.MainPage.Overlay_ManipulationDelta C# (CSharp) Method

        void Overlay_ManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
        {
            // get the movement on X axis
            _x += (float)e.Delta.Translation.X;

            // keep the pan within the bountry
            if (_x > this.ImagePanel2.ActualWidth || _x < 0) return;

            // we clip the overlay to reveal the actual image underneath
            this.Clip.Rect = new Rect(0, 0, _x, this.ImagePanel2.ActualHeight);
        }