From dd67d4996037dba57691b8b68af25f45c6156abc Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Mon, 18 Apr 2016 23:49:03 +0300
Subject: [PATCH] Fixed Size::operator -

---
 src/Perspex.SceneGraph/Size.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Perspex.SceneGraph/Size.cs b/src/Perspex.SceneGraph/Size.cs
index 4370b14bda..1e7acc0096 100644
--- a/src/Perspex.SceneGraph/Size.cs
+++ b/src/Perspex.SceneGraph/Size.cs
@@ -125,7 +125,7 @@ namespace Perspex
 
         public static Size operator -(Size size, Size toSubstract)
         {
-            return new Size(size._width + toSubstract._width, size._height + toSubstract._height);
+            return new Size(size._width - toSubstract._width, size._height - toSubstract._height);
         }
 
         /// <summary>