Windows Forms GroupBox controls are used to provide an identifiable grouping for other controls. Typically, you use group boxes to subdivide a form by function. For example, you may have an order form that specifies mailing options such as which overnight carrier to use. Grouping all options in a group box gives the user a logical visual cue. The GroupBox control is similar to the Panel control; however, only the GroupBox control displays a caption, and only the Panel control can have scroll bars.