From 30cd9cb7f84afd2ccc3a437b2de299788ba15ec0 Mon Sep 17 00:00:00 2001
From: "Stefanos A." <stapostol@gmail.com>
Date: Sun, 22 Dec 2013 11:10:05 +0100
Subject: [PATCH] Fixed crash in MakeCurrent(null)

MakeCurrent(null) should set the bound device context to zero.
---
 Source/OpenTK/Platform/Windows/WinGLContext.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Source/OpenTK/Platform/Windows/WinGLContext.cs b/Source/OpenTK/Platform/Windows/WinGLContext.cs
index 0e727df7..837c3e76 100644
--- a/Source/OpenTK/Platform/Windows/WinGLContext.cs
+++ b/Source/OpenTK/Platform/Windows/WinGLContext.cs
@@ -279,14 +279,14 @@ namespace OpenTK.Platform.Windows
                         throw new ArgumentException("window", "Must point to a valid window.");
 
                     success = Wgl.MakeCurrent(wnd.DeviceContext, Handle.Handle);
+                    device_context = wnd.DeviceContext;
                 }
                 else
                 {
                     success = Wgl.MakeCurrent(IntPtr.Zero, IntPtr.Zero);
+                    device_context = IntPtr.Zero;
                 }
 
-                device_context = wnd.DeviceContext;
-
                 if (!success)
                 {
                     throw new GraphicsContextException(String.Format(