By default, the SelBackColor property is -1, so no color is applied for selected index. The SelBackColor / SelBackAlpha property specifies the selection background color. The SelForeColor property specifies the selection foreground color. The SelectedIndex property gets or sets a value that indicates index to be selected. The SelectItem event notifies once the user selects an item. The SelectItem event is fired when user clicks an item with no child items. The BrowseItem event notifies when a new item has been selected / browsed. When the user selects a new item, it is displayed on the parent portion of the control, while its content / children is displayed around. The SelectParent event occurs once the user clicks the parent of the item. The PointerPicture property indicates the picture to be shown on the pointer zone's background.