wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId());
     event.SetInt(cb->Get3StateValue());
     event.SetEventObject(cb);
-    cb->GetEventHandler()->ProcessEvent(event);
+    cb->HandleWindowEvent(event);
 }
 }
 
                         const wxValidator& validator,
                         const wxString &name )
 {
-    m_needParent = true;
     m_blockEvent = false;
 
     if (!PreCreation( parent, pos, size ) ||