GridLayout layout = new GridLayout(); layout.numColumns = nColumns; composite.setLayout(layout);  createCougaarControls(composite, nColumns); setControl(composite);
fAddCougaarInstall = new Button(topComp, SWT.NONE); fAddCougaarInstall.setText("Add"); fAddCougaarInstall.setLayoutData(new GridData()); fAddCougaarInstall.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent evt) { handleAddButtonSelected(); } });
    public void createControl(Composite parent) {        initializeDialogUnits(parent);        Composite composite = new Composite(parent, SWT.NONE);        int nColumns = 2;        GridLayout layout = new GridLayout();        layout.numColumns = nColumns;        composite.setLayout(layout);        createCougaarControls(composite, nColumns);        setControl(composite);        //        WorkbenchHelp.setHelp(composite,        //            IJavaHelpContextIds.NEW_INTERFACE_WIZARD_PAGE);    }