From ebbadae09a2dbf2586b6aa3503620799004d9081 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Tue, 28 Jan 2020 00:18:25 +0100
Subject: [PATCH] Double buffer wxGridWindow drawing

This eliminates noticeable flicker under MSW when changing selection,
for example.
---
 src/generic/grid.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index 9ef831f090..0c6349b6cc 100644
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -42,6 +42,7 @@
     #include "wx/listbox.h"
 #endif
 
+#include "wx/dcbuffer.h"
 #include "wx/textfile.h"
 #include "wx/spinctrl.h"
 #include "wx/tokenzr.h"
@@ -1911,7 +1912,7 @@ wxEND_EVENT_TABLE()
 
 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 {
-    wxPaintDC dc( this );
+    wxAutoBufferedPaintDC dc( this );
     m_owner->PrepareDCFor( dc, this );
     wxRegion reg = GetUpdateRegion();