From b4857be372c690e34d4c54ad11c41429b84e9384 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Mon, 23 Mar 2009 15:59:37 +0000
Subject: [PATCH] don't assert in Refresh() if window is not created yet,
 simply return without doing anything (fixes crash on startup in the aui
 sample introduced by r59394)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59780 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/gtk/window.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index fb13c32..845268d 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -3529,7 +3529,12 @@ bool wxWindowGTK::ScrollPages(int pages)
 void wxWindowGTK::Refresh(bool WXUNUSED(eraseBackground),
                           const wxRect *rect)
 {
-    wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
+    if ( !m_widget )
+    {
+        // it is valid to call Refresh() for a window which hasn't been created
+        // yet, it simply doesn't do anything in this case
+        return;
+    }
 
     if (!m_wxwindow)
     {
-- 
2.7.4