From b8335252d21b92dbef2035309ec87ab78ce80d18 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Mon, 15 Nov 2004 19:15:53 +0000
Subject: [PATCH] don't draw background at all if bg style is custom

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30551 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/msw/window.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 49c4a6c7c2..70f74831c8 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -4070,6 +4070,13 @@ bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
 
 void wxWindowMSW::OnEraseBackground(wxEraseEvent& event)
 {
+    if ( GetBackgroundStyle() == wxBG_STYLE_CUSTOM )
+    {
+        // don't skip the event here, custom background means that the app is
+        // drawing it itself in its OnPaint()
+        return;
+    }
+
     if ( !m_hasBgCol )
     {
         event.Skip();
-- 
2.50.0