p.getDriver().calculateChecksum(p); ISingleDriver d = (ISingleDriver)p.getDriver(); d.sendPatch(p); d.playPatch(p);
p.calculateChecksum(); p.send(); p.play();
    public void playSelectedPatch() {        p.getDriver().calculateChecksum(p);        ISingleDriver d = (ISingleDriver)p.getDriver();        d.sendPatch(p);        d.playPatch(p);    }