Bug 155273 [Markers] Visibility of problems view columns should be configurable
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerPreferencesHandler.java
IHandler {
	/* (non-Javadoc)
	 * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
	 */
	public Object execute(ExecutionEvent event) {
		
		ExtendedMarkersView view = getView(event);
		if(view == null)
			return this;
		
		(new MarkerPreferencesDialog(view.getSite().getShell())).open();
		return this;
	}
}