From cf572b3bb80573a005494cbab7c1d0f80ec0e2c2 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Mon, 31 Jul 2017 22:31:02 +0900
Subject: [PATCH] Add comment regarding performance

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

diff --git a/src/OpenTK/Platform/Windows/WinGLNative.cs b/src/OpenTK/Platform/Windows/WinGLNative.cs
index 3e95920c..b1fcffcf 100644
--- a/src/OpenTK/Platform/Windows/WinGLNative.cs
+++ b/src/OpenTK/Platform/Windows/WinGLNative.cs
@@ -735,6 +735,8 @@ namespace OpenTK.Platform.Windows
                     break;
 
                 case WindowMessage.ERASEBKGND:
+                    // This is triggered only when the client area changes.
+                    // As such it does not affect steady-state performance.
                     break;
 
                 case WindowMessage.WINDOWPOSCHANGED: