C1Command has a special SideCaption property for its C1CommandMenu command type. With this property, you can display a side caption along the sub menu items for a particular C1CommandMenu. You can display text or an image inside the caption. In addition to having text or an image in the side caption, you can also customize the appearance and layout of the caption.
The following image shows a vertical side caption for the Field Trips menu.
For information on how to apply a side caption to your menu, see Creating a Side Caption for a Command Menu.