By default, The CustomBackAlpha property is 255. The CustomBackColor / CustomBackAlpha property specifies the color to show the custom portion of the radial menu. The CustomPicture property indicates the picture to be shown on the custom's background. The BrowseType property specifies what the item displays, when the user clicks/browses it.  The BrowseCustomType property indicates the custom object to be shown when the user clicks/browses the item ( child, radial-slider or gauge ). The BrowseCustom property gets or sets a value for specified property, when browsing custom control.

The ItemsPicture property indicates the picture to be shown on the items's background. The BackgroundPicture property indicates the picture to be shown on the radial menu's background. The BackColor property specifies the control's background color. The ParentBackColor / ParentBackAlpha property specifies the color / transparency to show the parent portion of the radial menu. The ParentSize property specifies the size to display the parent zone.  The SubItemsBackColor / SubItemsBackAlpha property specifies the color to show the sub-items zone of the radial menu. The SubItemsSize property specifies the size to display the sub-items zone. The ItemsBackColor / ItemsBackAlpha property Specifies the color to show the items portion of the radial menu.