Index: src/Common/SharpMap/Styles/VectorStyle.cs
===================================================================
diff -u -r5fc71a385897af92ccb092f2f969b5709afab85a -r62c75436c74dbde90ced25bf9bd4b70f9ae3c44f
--- src/Common/SharpMap/Styles/VectorStyle.cs	(.../VectorStyle.cs)	(revision 5fc71a385897af92ccb092f2f969b5709afab85a)
+++ src/Common/SharpMap/Styles/VectorStyle.cs	(.../VectorStyle.cs)	(revision 62c75436c74dbde90ced25bf9bd4b70f9ae3c44f)
@@ -82,6 +82,7 @@
         /// by an external source.
         /// </summary>
         /// <returns></returns>
+        [NoNotifyPropertyChange]
         public bool HasCustomSymbol { get; private set; }
 
         public override object Clone()