From: Robert Roebling <robert@roebling.de>
Date: Sat, 5 Apr 2008 12:33:03 +0000 (+0000)
Subject: Probable fix for [ 1933745 ] Crash in wxDataViewHeaderWindowBase::GetColumn()
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/dd570ceb10abf2c0d9d4da785efb46f9087e10f2

Probable fix for [ 1933745 ] Crash in wxDataViewHeaderWindowBase::GetColumn()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53022 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 9440be6240..95231257c6 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -1464,7 +1464,7 @@ bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARA
 
         case HDN_BEGINDRAG:
             // user has started to reorder a column
-            if (!GetColumn(nmHDR->iItem)->IsReorderable())
+            if ((nmHDR->iItem != -1) && (!GetColumn(nmHDR->iItem)->IsReorderable()))
             {
                 // veto it!
                 *result = TRUE;