--- /dev/null
+diff --git a/win/C#/interop/Model/Size.cs b/win/C#/interop/Model/Size.cs
+new file mode 100644
+index 0000000..f94cbd2
+--- /dev/null
++++ b/win/C#/interop/Model/Size.cs
+@@ -0,0 +1,19 @@
++using System;\r
++using System.Collections.Generic;\r
++using System.Linq;\r
++using System.Text;\r
++\r
++namespace HandBrake.Interop\r
++{\r
++ public class Size\r
++ {\r
++ public Size(int width, int height)\r
++ {\r
++ this.Width = width;\r
++ this.Height = height;\r
++ }\r
++\r
++ public int Width { get; set; }\r
++ public int Height { get; set; }\r
++ }\r
++}\r