From ce2fe79863078b80bb3c5e4330441d0d14133c7c Mon Sep 17 00:00:00 2001
From: Robert Roebling <robert@roebling.de>
Date: Tue, 20 Jan 2009 19:43:58 +0000
Subject: [PATCH] FindNode() must return m_root for wxDataViewItem(0)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58248 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/generic/datavgen.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index f170ed7a56..b99a103b8e 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -2542,6 +2542,9 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item
     wxDataViewModel * model = GetOwner()->GetModel();
     if( model == NULL )
         return NULL;
+        
+    if (!item.IsOk())
+        return m_root;
 
     //Compose the a parent-chain of the finding item
     ItemList list;
@@ -2743,6 +2746,7 @@ static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wx
 
     wxDataViewItemArray children;
     unsigned int num = model->GetChildren( item, children);
+    
     unsigned int index = 0;
     while( index < num )
     {