From ac68af87304d65f5b2e9284439207d35d0fa1b91 Mon Sep 17 00:00:00 2001
From: the_fiddler <the_fiddler@ebc5dd9b-fb1d-0410-b6f8-d24c324e9604>
Date: Mon, 24 Mar 2008 13:27:18 +0000
Subject: [PATCH] Do not call opengl functions when in Visual Studio designer.

---
 Source/Examples/WinForms/DerivedGLControl.cs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Source/Examples/WinForms/DerivedGLControl.cs b/Source/Examples/WinForms/DerivedGLControl.cs
index 5bcd33e1..3f11e1da 100644
--- a/Source/Examples/WinForms/DerivedGLControl.cs
+++ b/Source/Examples/WinForms/DerivedGLControl.cs
@@ -22,8 +22,12 @@ namespace Examples.WinForms
             set
             {
                 clearColor = value;
-                MakeCurrent();
-                GL.ClearColor(clearColor);
+
+                if (!this.DesignMode)
+                {
+                    MakeCurrent();
+                    GL.ClearColor(clearColor);
+                }
             }
         }