From d15f2b7385411a7d48b12ab5b992d5e0a7f57a24 Mon Sep 17 00:00:00 2001
From: Julian Smart <julian@anthemion.co.uk>
Date: Thu, 28 Nov 2013 16:23:29 +0000
Subject: [PATCH] Fix for #15715: NULL check required in
 wxRichTextBuffer::SetStyleSheetAndNotify()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@75312 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/richtext/richtextbuffer.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp
index 542ebe33da..29808c75db 100644
--- a/src/richtext/richtextbuffer.cpp
+++ b/src/richtext/richtextbuffer.cpp
@@ -8726,7 +8726,10 @@ bool wxRichTextBuffer::SetStyleSheetAndNotify(wxRichTextStyleSheet* sheet)
 
     wxRichTextEvent event(wxEVT_RICHTEXT_STYLESHEET_REPLACING, winid);
     event.SetEventObject(GetRichTextCtrl());
-    event.SetContainer(GetRichTextCtrl()->GetFocusObject());
+    if (GetRichTextCtrl())
+        event.SetContainer(GetRichTextCtrl()->GetFocusObject());
+    else
+        event.SetContainer(this);
     event.SetOldStyleSheet(oldSheet);
     event.SetNewStyleSheet(sheet);
     event.Allow();