*** empty log message ***

[bbtk.git] / kernel / src / bbtkAtomicBlackBox.h

diff --git a/kernel/src/bbtkAtomicBlackBox.h b/kernel/src/bbtkAtomicBlackBox.h
index 4422063beb4717db2932c9313e2ee85fee76b2c4..02cb9a5fa39f894370213ab2f81398ca1342c084 100644 (file)
--- a/kernel/src/bbtkAtomicBlackBox.h
+++ b/kernel/src/bbtkAtomicBlackBox.h
@@ -3,8 +3,8 @@
   Program:   bbtk
   Module:    $RCSfile: bbtkAtomicBlackBox.h,v $
   Language:  C++
-  Date:      $Date: 2008/02/20 16:05:38 $
-  Version:   $Revision: 1.2 $
+  Date:      $Date: 2008/04/08 06:59:29 $
+  Version:   $Revision: 1.3 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -85,7 +85,7 @@ namespace bbtk
     /// - updates its inputs by calling bbUpdateInputs (which recursively calls bbBackwardUpdate on upstream boxes)
     /// - calls bbProcess which here simply calls the user callback bbUserProcess which does the actual processing. 
     ///    bbProcess is overloaded in WxBlackBox to handle widget creation and show
-    IOStatus bbBackwardUpdate(Connection* caller);
+    virtual IOStatus bbBackwardUpdate(Connection* caller);
     //==================================================================
 
     //==================================================================