From 0984ee1887d38d33dde81cbefac45e114361eb47 Mon Sep 17 00:00:00 2001
From: apo <apo@opencascade.com>
Date: Fri, 23 Nov 2007 07:30:30 +0000
Subject: [PATCH] Minor changes

---
 src/VISUGUI/VisuGUI_Displayer.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/VISUGUI/VisuGUI_Displayer.cxx b/src/VISUGUI/VisuGUI_Displayer.cxx
index 49df36c6..2361b992 100644
--- a/src/VISUGUI/VisuGUI_Displayer.cxx
+++ b/src/VISUGUI/VisuGUI_Displayer.cxx
@@ -266,6 +266,10 @@ bool VisuGUI_Displayer::canBeDisplayed( const QString& entry, const QString& vie
   if( viewer_type==SVTK_Viewer::Type() || viewer_type==VVTK_Viewer::Type())
   {
     VISU::Base_i* aBase = dynamic_cast<VISU::Base_i*>(VISU::GetServant(anObj).in());
+
+    if ( !aBase )
+      return false;
+
     if(aBase->GetType() == VISU::TCOLOREDPRS3DHOLDER)
       return true;
 
-- 
2.39.2