wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
     event.SetString( combo->GetValue() );
     event.SetEventObject( combo );
-    combo->GetEventHandler()->ProcessEvent( event );
+    combo->HandleWindowEvent( event );
 }
 }
 
         event.SetInt( curSelection );
         event.SetString( combo->GetStringSelection() );
         event.SetEventObject( combo );
-        combo->GetEventHandler()->ProcessEvent( event );
+        combo->HandleWindowEvent( event );
 
         // for consistency with the other ports, send TEXT event
         wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
         event2.SetString( combo->GetStringSelection() );
         event2.SetEventObject( combo );
-        combo->GetEventHandler()->ProcessEvent( event2 );
+        combo->HandleWindowEvent( event2 );
     }
 }
 }
         event.SetInt( curSelection );
         event.SetString( combo->GetStringSelection() );
         event.SetEventObject( combo );
-        combo->GetEventHandler()->ProcessEvent( event );
+        combo->HandleWindowEvent( event );
 
         // for consistency with the other ports, don't generate text update
         // events while the user is browsing the combobox neither
         wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
         event2.SetString( combo->GetValue() );
         event2.SetEventObject( combo );
-        combo->GetEventHandler()->ProcessEvent( event2 );
+        combo->HandleWindowEvent( event2 );
     }
 }
 }
         eventEnter.SetInt( GetSelection() );
         eventEnter.SetEventObject( this );
 
-        if (!GetEventHandler()->ProcessEvent( eventEnter ))
+        if (!HandleWindowEvent( eventEnter ))
         {
             // This will invoke the dialog default action, such
             // as the clicking the default button.