From 52aa1d3b406a65ed3e98eb24779f7fcb4c06f26e Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Wed, 6 May 2009 13:23:57 +0000
Subject: [PATCH] 0020340: EDF 1022 SMESH : Crash with FindNodeClosestTo in a
 second new study   Nullify mesh after TNodeSearcherDeleter::Unset()

---
 src/SMESH_I/SMESH_MeshEditor_i.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/SMESH_I/SMESH_MeshEditor_i.cxx b/src/SMESH_I/SMESH_MeshEditor_i.cxx
index 728bf2be1..a68bd8fb2 100644
--- a/src/SMESH_I/SMESH_MeshEditor_i.cxx
+++ b/src/SMESH_I/SMESH_MeshEditor_i.cxx
@@ -80,7 +80,7 @@ namespace {
     SMDSAbs_ElementType myPreviewType; // type to show
     //!< Constructor
     TPreviewMesh(SMDSAbs_ElementType previewElements = SMDSAbs_All) {
-      _isShapeToMesh = _id =_studyId =_idDoc = 0;
+      _isShapeToMesh = (_id =_studyId =_idDoc = 0);
       _myMeshDS  = new SMESHDS_Mesh( _id, true );
       myPreviewType = previewElements;
     }
@@ -199,6 +199,7 @@ namespace {
         for (sm = subMeshes.begin(); sm != subMeshes.end(); sm++)
           sm->second->DeleteEventListener( this );
       }
+      myMesh = 0;
     }
   };
 
-- 
2.39.2