By default, the Visible property is False. The Visible property of the Group specifies whether the Group is visible in the schedule view, and un-checked, in the drop down grouping panel. The AllowMoveGroup property specifies the combination of keys so user can move the Groups at runtime. The AllowResizeGroup property specifies whether the user can resize a group at runtime. The EventBackColor, EventForeColor or EventPattern property specifies the colors to be applied on the events of the group. The ApplyGroupingColors property indicates whether the EventForeColor, EventBackColor and EventPattern  properties of the Group object are being applied to events. You can use the Width property to change the width of the Group by code. 

The control displays groups if

• ShowGroupingEvents property is True
• The Groups collection has visible elements. By default, the Groups collection contains no Group objects (Visible on True)