27 #ifndef _DSC_CALLBACKS_HXX_ 
   28 #define _DSC_CALLBACKS_HXX_ 
   30 #include "DSC_Basic.hxx" 
   32 #include <SALOMEconfig.h> 
   33 #include CORBA_SERVER_HEADER(DSC_Engines) 
   56     virtual void provides_port_changed(
const char* provides_port_name,
 
   69     virtual void uses_port_changed(
const char* uses_port_name,