if (callData instanceof MacEvent) {
if (callData instanceof MacEvent && isEnabled()) {
int processMouseDown (Object callData) {	if (callData instanceof MacEvent) {		MacEvent me= (MacEvent) callData;		int macEvent[]= me.toOldMacEvent();		if (macEvent != null)			OS.TXNClick(fTX, macEvent);	}	return 0;}