Fix exception in sample Project.

LokiMidgard · May 23, 2018 · a4a96cb · a4a96cb
1 parent 3100159
commit a4a96cb
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/NSCI/UI/Controls/TextBlock.cs b/NSCI/UI/Controls/TextBlock.cs
@@ -12,7 +12,8 @@ public partial class TextBlock : FrameworkElement
         [NDProperty.NDP]
         protected virtual void OnTextChanging(NDProperty.Propertys.OnChangingArg<NDPConfiguration, string> arg)
         {
-            arg.Provider.MutatedValue = arg.Provider.NewValue?.Replace("\t", "    ").Replace("\r", "");
+            if (arg.Provider.CanMutate)
+                arg.Provider.MutatedValue = arg.Provider.NewValue?.Replace("\t", "    ").Replace("\r", "");
             if (arg.Property.IsObjectValueChanging)
                 arg.ExecuteAfterChange += (sender, e) =>
                 {