X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FSMESHGUI%2FSMESHGUI_Utils.cxx;h=21f74593fbde626c20cdcba8a1061971d4209417;hp=c8f22670819b90e199e4016b5fa38993dc5ac72c;hb=88141f757b048eaa5aae0be49faaf274448bbcaf;hpb=7a65c9fad427b1ccba6b9ccae612296e5092a324

diff --git a/src/SMESHGUI/SMESHGUI_Utils.cxx b/src/SMESHGUI/SMESHGUI_Utils.cxx
index c8f226708..21f74593f 100644
--- a/src/SMESHGUI/SMESHGUI_Utils.cxx
+++ b/src/SMESHGUI/SMESHGUI_Utils.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2015  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
 //
 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
@@ -280,7 +280,7 @@ namespace SMESH
   void ModifiedMesh (_PTR(SObject) theSObject, bool theIsNotModif, bool isEmptyMesh)
   {
     _PTR(Study) aStudy = GetActiveStudyDocument();
-    if (aStudy->GetProperties()->IsLocked())
+    if ( !aStudy || aStudy->GetProperties()->IsLocked() )
       return;
 
     _PTR(StudyBuilder) aBuilder = aStudy->NewBuilder();