From 9657c19785f5cd7039a2d4a118d19f08d198f91e Mon Sep 17 00:00:00 2001
From: Robert Roebling <robert@roebling.de>
Date: Fri, 5 Sep 2008 11:15:43 +0000
Subject: [PATCH] Fix #9940: wxDataViewCtrl left/right arrow press crash

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@55471 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/generic/datavgen.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 8ab4f85c53..44eef8c70e 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -3274,6 +3274,9 @@ wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const
 
 void wxDataViewMainWindow::OnExpanding( unsigned int row )
 {
+    if (IsVirtualList())
+       return;
+
     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
     if( node != NULL )
     {
@@ -3313,6 +3316,9 @@ void wxDataViewMainWindow::OnExpanding( unsigned int row )
 
 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
 {
+    if (IsVirtualList())
+       return;
+       
     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
     if( node != NULL )
     {