From 1275c86ccc33a5dce6babe0f04ab8893b12a4f16 Mon Sep 17 00:00:00 2001
From: ana <ana@opencascade.com>
Date: Fri, 29 Mar 2013 10:27:29 +0000
Subject: [PATCH] Fix for the "0051858: TC7.2.0 show-hide commands in VTK
 viewer don't work" issue

---
 src/SVTK/SVTK_ViewModel.cxx | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/SVTK/SVTK_ViewModel.cxx b/src/SVTK/SVTK_ViewModel.cxx
index 363e95ab1..615316342 100644
--- a/src/SVTK/SVTK_ViewModel.cxx
+++ b/src/SVTK/SVTK_ViewModel.cxx
@@ -33,6 +33,7 @@
 #include "SVTK_ViewModel.h"
 #include "SVTK_ViewWindow.h"
 #include "SVTK_View.h"
+#include "SVTK_Renderer.h"
 //#include "SVTK_MainWindow.h"
 #include "SVTK_Prs.h"
 
@@ -665,8 +666,9 @@ void SVTK_Viewer::EraseAll( const bool forced )
             //Handle(SALOME_InteractiveObject) anObj = anAct->getIO();
             //if(!anObj.IsNull() && anObj->hasEntry() && aStudy)
             //  ToolsGUI::SetVisibility(aStudy,anObj->getEntry(),false,this);
-            if(forced)
-              aRenderer->RemoveActor(anAct);
+            if(forced) 
+              if(SVTK_Renderer* aRnd = aView->GetRenderer())
+                aRnd->RemoveActor(anAct);
             else{
               // just erase actor
               anAct->SetVisibility( false );
-- 
2.39.2