Added mouse wheel scroll to LightTouchScrollViewer.

Related Work Items: #1498

1 files changed, 32 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Tango.Touch/Controls/LightTouchScrollViewer.cs b/Software/Visual_Studio/Tango.Touch/Controls/LightTouchScrollViewer.cs
index 934c22295..a20f52d7b 100644
--- a/Software/Visual_Studio/Tango.Touch/Controls/LightTouchScrollViewer.cs
+++ b/Software/Visual_Studio/Tango.Touch/Controls/LightTouchScrollViewer.cs
@@ -668,7 +668,39 @@ namespace Tango.Touch.Controls
                 IsScrolling = false;
             }
         }
+        /// <summary>
+        /// Invoked when an unhandled <see cref="E:System.Windows.Input.Mouse.MouseWheel" /> attached event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.
+        /// </summary>
+        /// <param name="e">The <see cref="T:System.Windows.Input.MouseWheelEventArgs" /> that contains the event data.</param>
+        protected override void OnMouseWheel( MouseWheelEventArgs e)
+        {
+            base.OnMouseWheel(e);
+            if (DisableScrolling)
+            {
+                return;
+            }
+            base.OnMouseWheel(e);
 
+            if (!e.Handled )
+            {
+                if (e.Delta != 0)
+                {
+                    var scrollPos = GetScrollPosition();
+                    if (e.Delta > 0)
+                    {
+                        scrollPos -= 15;
+                    }
+                    else if(e.Delta < 0)
+                    {
+                        scrollPos += 15;
+                    }
+                    ScrollToPosition(scrollPos);
+                    SetThumbPosition();
+                }
+            }
+
+            e.Handled = false;
+        }
         #endregion
 
         #region Private Methods