property Group.HeaderBackColor as Color
Specifies the background color or the visual appearance of the header's group.

TypeDescription
Color A Color expression that specifies the background color to show on the group's header. The last 7 bits in the high significant byte of the color to indicates the identifier of the skin being used. Use the Add method to add new skins to the control. If you need to remove the skin appearance from a part of the control you need to reset the last 7 bits in the high significant byte of the color being applied to the background's part.
The HeaderBackColor property specifies the background color of the group's header. The HeaderForeColor property specifies the group's header foreground color. The EventBackColor property specifies the colors to be applied on the events of the group. The HeaderGroupHeight property indicates the height of the group's header relative to the control's font height. The group's header does not clip its caption or title to the header section, to allow displaying the HTML text or pictures on the Group's client as in the following screen shot. The Caption property indicates the HTML caption to be displayed on the Group's header. The Title property indicates the title to be shown when the user drop down the grouping button. The control displays Caption or Title on the control's header based on the date's size. If the date is too small, the title may be displayed instead caption. By default, You can resize the schedule view, by dragging the mouse while clicking the middle mouse button.