Bug 223823 ControlExample: Select Listeners dialog opens behind menu bar
examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/controlexample/Tab.java
final Button setGetButton = new Button (otherGroup, SWT.PUSH);
			setGetButton.setText (ControlExample.getResourceString ("Set_Get"));
			setGetButton.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
			setGetButton.addSelectionListener (new SelectionAdapter() {
				public void widgetSelected (SelectionEvent e) {
					if (getExampleWidgets().length >  0) {
						if (setGetDialog == null) {
							setGetDialog = createSetGetDialog(methodNames);
						}
						Point pt = setGetButton.getLocation();
						pt = display.map(setGetButton.getParent(), null, pt);
						setGetDialog.setLocation(pt.x, pt.y);
						setGetDialog.open();
					}
				}
			});
		}
	}
	/**
	 * Creates the "Control" widget children.
	 * Subclasses override this method to augment
	 * the standard controls created in the "Style",
	 * "Other" and "Size" groups.
	 */
	void createControlWidgets () {
	}
	
	/**
	 * Creates the "Colors and Fonts" group. This is typically
	 * a child of the "Control" group. Subclasses override