From d5b43fb33c00bd6034c3b2e92f1c8cc64bd7a298 Mon Sep 17 00:00:00 2001
From: David Jeske <davidj@gmail.com>
Date: Sun, 11 Jun 2017 18:36:32 -0700
Subject: [PATCH] treat MouseMove events as handled by returning zero instead
 of calling DefWindowProc

---
 src/OpenTK/Platform/Windows/WinGLNative.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/OpenTK/Platform/Windows/WinGLNative.cs b/src/OpenTK/Platform/Windows/WinGLNative.cs
index f486d89..ef437d3 100644
--- a/src/OpenTK/Platform/Windows/WinGLNative.cs
+++ b/src/OpenTK/Platform/Windows/WinGLNative.cs
@@ -747,11 +747,11 @@ namespace OpenTK.Platform.Windows
 
                 case WindowMessage.MOUSEWHEEL:
                     HandleMouseWheel(handle, message, wParam, lParam);
-                    break;
+                    return IntPtr.Zero;
 
                 case WindowMessage.MOUSEHWHEEL:
                     HandleMouseHWheel(handle, message, wParam, lParam);
-                    break;
+                    return IntPtr.Zero;
 
                 case WindowMessage.LBUTTONDOWN:
                     HandleLButtonDown(handle, message, wParam, lParam);
-- 
2.7.4