TDAT: 	private Composite createComposite(Composite parent, int numColumns) {
		Composite composite = new Composite(parent, SWT.NULL);

		// GridLayout
		GridLayout layout = new GridLayout();
		layout.numColumns = numColumns;
		layout.makeColumnsEqualWidth = false;
		layout.marginHeight = 0;
		layout.marginWidth = 0;
		composite.setLayout(layout);

		// GridData
		GridData data = new GridData(SWT.FILL, SWT.FILL, true, false);
		composite.setLayoutData(data);
		return composite;
	}
 COM: <s> creates composite control and sets the default layout data </s>