RS_Document * = NULL) { return NULL; }
virtual void requestSimulationControls() {}
virtual RS_Layer * requestNewLayerDialog(RS_LayerList * = NULL) { return NULL; }
RS_Document * = NULL) { return NULL; }
virtual void requestSimulationControls() {}
virtual RS_Layer * requestNewLayerDialog(RS_LayerList * = NULL) { return NULL; }