Patch myPatch = myModel.getPatchAt(table.getSelectedRow());
IPatch myPatch = myModel.getPatchAt(table.getSelectedRow());
    public void playSelectedPatch() {	Patch myPatch = myModel.getPatchAt(table.getSelectedRow());        myPatch.getDriver().calculateChecksum(myPatch);        myPatch.getDriver().sendPatch(myPatch);	myPatch.getDriver().playPatch(myPatch);    }