Adjust project structure

src/Shared/HandyControl_Shared/Expression/Media/InvalidateGeometryReasons.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace HandyControl.Expression.Media
+{
+    [Flags]
+    public enum InvalidateGeometryReasons
+    {
+        ChildInvalidated = 4,
+        IsAnimated = 2,
+        ParentInvalidated = 8,
+        PropertyChanged = 1,
+        TemplateChanged = 0x10
+    }
+}