Implemented machine status animations.

1 files changed, 35 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Tango.Core/ExtensionMethods/FrameworkElementExtensions.cs b/Software/Visual_Studio/Tango.Core/ExtensionMethods/FrameworkElementExtensions.cs
index ca546922f..4371796c4 100644
--- a/Software/Visual_Studio/Tango.Core/ExtensionMethods/FrameworkElementExtensions.cs
+++ b/Software/Visual_Studio/Tango.Core/ExtensionMethods/FrameworkElementExtensions.cs
@@ -42,6 +42,13 @@ public static class FrameworkElementExtensions
     /// <param name="handler">The handler.</param>
     public static String RegisterForMouseOrTouchDown(this FrameworkElement element, FrameworkElement relativeTo, EventHandler<MouseOrTouchEventArgs> handler)
     {
+        var existing_container = _containers.SingleOrDefault(x => x.Element == element && x.Handler == handler);
+
+        if (existing_container != null)
+        {
+            return existing_container.Token;
+        }
+
         bool mousePressed = false;
         bool touchDown = false;
 
@@ -145,6 +152,13 @@ public static class FrameworkElementExtensions
     /// <param name="handler">The handler.</param>
     public static String RegisterForMouseOrTouchUp(this FrameworkElement element, FrameworkElement relativeTo, EventHandler<MouseOrTouchEventArgs> handler)
     {
+        var existing_container = _containers.SingleOrDefault(x => x.Element == element && x.Handler == handler);
+
+        if (existing_container != null)
+        {
+            return existing_container.Token;
+        }
+
         bool mouseReleased = false;
         bool touchReleased = false;
 
@@ -245,6 +259,13 @@ public static class FrameworkElementExtensions
     /// <param name="handler">The handler.</param>
     public static String RegisterForPreviewMouseOrTouchDown(this FrameworkElement element, FrameworkElement relativeTo, EventHandler<MouseOrTouchEventArgs> handler)
     {
+        var existing_container = _containers.SingleOrDefault(x => x.Element == element && x.Handler == handler);
+
+        if (existing_container != null)
+        {
+            return existing_container.Token;
+        }
+
         bool mousePressed = false;
         bool touchDown = false;
 
@@ -348,6 +369,13 @@ public static class FrameworkElementExtensions
     /// <param name="handler">The handler.</param>
     public static String RegisterForPreviewMouseOrTouchUp(this FrameworkElement element, FrameworkElement relativeTo, EventHandler<MouseOrTouchEventArgs> handler)
     {
+        var existing_container = _containers.SingleOrDefault(x => x.Element == element && x.Handler == handler);
+
+        if (existing_container != null)
+        {
+            return existing_container.Token;
+        }
+
         bool mouseReleased = false;
         bool touchReleased = false;
 
@@ -464,6 +492,13 @@ public static class FrameworkElementExtensions
     /// <param name="handler">The handler.</param>
     public static void RegisterForMouseOrTouchMove(this FrameworkElement element, FrameworkElement relativeTo, EventHandler<MouseOrTouchEventArgs> handler)
     {
+        var existing_container = _containers.SingleOrDefault(x => x.Element == element && x.Handler == handler);
+
+        if (existing_container != null)
+        {
+            return;
+        }
+
         bool _isTouch = false;
 
         MouseEventHandler mouseHandler = (x, e) =>