Identifies the UI_PKEY_Categories property.
propertyDescription name = UI_PKEY_Categories shellPKey = UI_PKEY_Categories formatID = 00000102-7363-696e-8441798acf5aebb7 propID = 102 typeInfo type = IUICollection
UI_PKEY_Categories is used by an application to query the categories that are used to group related items in a gallery control.
The property value is an IUICollection object where each item in the collection represents a category.
To add or delete items in a gallery control at run time, use the various methods of IUICollection.
The following screen shot illustrates the use of two categories, Selection shapes and Selection options, in a SplitButton menu.