Patch myPatch = myModel.getPatchAt(table.getSelectedRow());
IPatch myPatch = myModel.getPatchAt(table.getSelectedRow());
    public void storeSelectedPatch() {	Patch myPatch = myModel.getPatchAt(table.getSelectedRow());        myPatch.getDriver().calculateChecksum(myPatch); 	new SysexStoreDialog(myPatch);    }