From: mzn <mzn@opencascade.com>
Date: Mon, 28 Aug 2006 14:14:06 +0000 (+0000)
Subject: Fix for bug IPAL12672("Change Clipping" leads to "Fatal error: Attempt to access... 
X-Git-Tag: mergefrom_BR_For_OCT_611_04Sep06~3
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=992d058e50184d6c2be1b7503c86fdca877acf95;p=modules%2Fvisu.git

Fix for bug IPAL12672("Change Clipping" leads to "Fatal error: Attempt to access to null object").
---

diff --git a/src/VISUGUI/VisuGUI_ClippingDlg.cxx b/src/VISUGUI/VisuGUI_ClippingDlg.cxx
index bff927ae..87195d31 100644
--- a/src/VISUGUI/VisuGUI_ClippingDlg.cxx
+++ b/src/VISUGUI/VisuGUI_ClippingDlg.cxx
@@ -599,8 +599,11 @@ void VisuGUI_ClippingDlg::onSelectionChanged()
   if (SVTK_ViewWindow* aViewWindow = VISU::GetActiveViewWindow<SVTK_ViewWindow>(myVisuGUI)) {
     Handle(SALOME_InteractiveObject) anIO;
     CORBA::Object_var anObject = VISU::GetSelectedObj(myVisuGUI, &anIO);
-    myIO = anIO;
     if (CORBA::is_nil(anObject)) return;
+    
+    if (!anIO.IsNull()) 
+      myIO = anIO;
+    
     PortableServer::ServantBase_var aServant = VISU::GetServant(anObject);
     if (!aServant.in()) return;
 
@@ -1148,4 +1151,4 @@ void VisuGUI_ClippingDlg::keyPressEvent( QKeyEvent* e )
       e->accept();
       ClickOnHelp();
     }
-}
\ No newline at end of file
+}