Adjust project structure

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

@@ -0,0 +1,13 @@
+namespace HandyControl.Expression.Media
+{
+    public interface IArcGeometrySourceParameters : IGeometrySourceParameters
+    {
+        double ArcThickness { get; }
+
+        UnitType ArcThicknessUnit { get; }
+
+        double EndAngle { get; }
+
+        double StartAngle { get; }
+    }
+}