data1.widthHint = 40;
addButton.setLayoutData(data1);
addButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
IArgument property = new Argument();
property.createNew(actionClone);
MethodArgumentEditorDialog dialog = new MethodArgumentEditorDialog(
getParentShell(), property);
if (dialog.open() == Dialog.OK) {
methodArguments.add(property);
configsViewer.refresh(true);