The Clear method removes all Group objects in the Groups collection. The Remove method removes a specific Group object. The ApplyGroupingColors property specifies whether the control uses the Group's EventBackColor / EventForeColor / EventPattern properties to show the events in the groups. The AllowMoveEventToOtherGroup property specifies whether the user can move an event from a group to another at runtime. Use the Visible property to show or hide a group in the schedule panel.