to avoid exception

diff --git a/src/Qtx/QtxPopupMgr.cxx b/src/Qtx/QtxPopupMgr.cxx
index 5f0df3de8722740d81f1a42c6d16b30e64c9daea..3b3dc81311badf2f9722f209001784c5eb7290f0 100644 (file)
--- a/src/Qtx/QtxPopupMgr.cxx
+++ b/src/Qtx/QtxPopupMgr.cxx
@@ -637,6 +637,7 @@ void QtxPopupMgr::updatePopup( QPopupMenu* p, Selection* sel )
   qDebug( QString( "number of objects = %1" ).arg( myCurrentSelection->count() ) );
 
   delete myCurrentSelection;
+  myCurrentSelection = 0;
 }
 
 /*!