From 158418c65edb46660b91faf207dbe532436259df Mon Sep 17 00:00:00 2001
From: sln <sln@opencascade.com>
Date: Thu, 23 Sep 2010 08:54:02 +0000
Subject: [PATCH] getStudy() method. Verification of root object on NULL added

---
 src/LightApp/LightApp_DataModel.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/LightApp/LightApp_DataModel.cxx b/src/LightApp/LightApp_DataModel.cxx
index 5074d475f..cccf466c9 100644
--- a/src/LightApp/LightApp_DataModel.cxx
+++ b/src/LightApp/LightApp_DataModel.cxx
@@ -152,6 +152,8 @@ LightApp_Module* LightApp_DataModel::getModule() const
 */
 LightApp_Study* LightApp_DataModel::getStudy() const
 {
+  if ( !root() )
+    return 0;
   LightApp_RootObject* aRoot = dynamic_cast<LightApp_RootObject*>( root()->root() );
   if ( !aRoot )
     return 0;
-- 
2.39.2