chore: separated Microsoft.Expression.Drawing code

src/Shared/Microsoft.Expression.Drawing/Media/InvalidateGeometryReasons.cs

@@ -0,0 +1,13 @@
+using System;
+
+namespace HandyControl.Expression.Media;
+
+[Flags]
+public enum InvalidateGeometryReasons
+{
+    ChildInvalidated = 4,
+    IsAnimated = 2,
+    ParentInvalidated = 8,
+    PropertyChanged = 1,
+    TemplateChanged = 0x10
+}