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
2008-04-05 12:33:03 +00:00
parent 741230732f
commit dd570ceb10
1 changed files with 1 additions and 1 deletions
--- 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;