SWT.Show

The show event type (value is 22).

@see org.eclipse.swt.widgets.Widget#addListener @see org.eclipse.swt.widgets.Display#addFilter @see org.eclipse.swt.widgets.Event

@see org.eclipse.swt.widgets.Menu#addMenuListener @see org.eclipse.swt.events.MenuListener#menuShown @see org.eclipse.swt.events.MenuEvent