Gets the activity categories for the specified activity. Default implementation returns null.
Parameters
- activity
- Activity for which to get the list of activity categories.
Return Value
IEnumerable that can optionally implement INotifyCollectionChanged to notify of changes to the list.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2