Adjust project structure

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

@@ -0,0 +1,12 @@
+using System;
+
+namespace HandyControl.Expression.Media
+{
+    [Flags]
+    internal enum DrawingPropertyMetadataOptions
+    {
+        AffectsMeasure = 1,
+        AffectsRender = 0x10,
+        None = 0
+    }
+}