1 files changed, 17 insertions, 4 deletions
diff --git a/Software/Visual_Studio/Tango.Touch/Controls/TouchNumericTextBox.cs b/Software/Visual_Studio/Tango.Touch/Controls/TouchNumericTextBox.cs
index 2a0caf13e..ccb66d009 100644
--- a/Software/Visual_Studio/Tango.Touch/Controls/TouchNumericTextBox.cs
+++ b/Software/Visual_Studio/Tango.Touch/Controls/TouchNumericTextBox.cs
@@ -21,7 +21,7 @@ namespace Tango.Touch.Controls
     {
         private TextBox _text_box;
         private bool _prevent_text_change;
-        private TextBlock _text_block;
+        private FastTextBlock _text_block;
         private double _lastValue;
         Regex regex_integer = new Regex(@"^-?[0-9]\d*(\d+)?$");
         Regex regex_double = new Regex(@"^-?[0-9]\d*(\.\d+)?$");
@@ -109,12 +109,22 @@ namespace Tango.Touch.Controls
         public static readonly DependencyProperty AutoCalculateJogStepProperty =
             DependencyProperty.Register("AutoCalculateJogStep", typeof(bool), typeof(TouchNumericTextBox), new PropertyMetadata(true));
 
+        public bool UpdateBindingOnlyWhenFocused
+        {
+            get { return (bool)GetValue(UpdateBindingOnlyWhenFocusedProperty); }
+            set { SetValue(UpdateBindingOnlyWhenFocusedProperty, value); }
+        }
+        public static readonly DependencyProperty UpdateBindingOnlyWhenFocusedProperty =
+            DependencyProperty.Register("UpdateBindingOnlyWhenFocused", typeof(bool), typeof(TouchNumericTextBox), new PropertyMetadata(false));
+
+
+
         public override void OnApplyTemplate()
         {
             base.OnApplyTemplate();
 
             _text_box = GetTemplateChild("PART_TextBox") as TextBox;
-            _text_block = GetTemplateChild("PART_TextDisplay") as TextBlock;
+            _text_block = GetTemplateChild("PART_TextDisplay") as FastTextBlock;
             _text_box.PreviewTextInput += _text_box_PreviewTextInput;
             _text_box.PreviewKeyDown += _text_box_PreviewKeyDown;
             _text_box.LostFocus += _text_box_LostFocus;
@@ -222,8 +232,11 @@ namespace Tango.Touch.Controls
 
                 _lastValue = Value;
 
-                DoubleValueChangedEventArgs args = new DoubleValueChangedEventArgs(ValueChangedEvent, this, Value);
-                RaiseEvent(args);
+                if (!UpdateBindingOnlyWhenFocused || (_text_box != null && _text_box.IsKeyboardFocused))
+                {
+                    DoubleValueChangedEventArgs args = new DoubleValueChangedEventArgs(ValueChangedEvent, this, Value);
+                    RaiseEvent(args);
+                }
             }
         }