Retrieves the proper Activity object associated with the current position of the enumerator. If there is a variance corresponding to the dateIter value, it is returned as long as it is not a variance that is marked with the Removed status. Otherwise an occurance is created that represents the activity for the current date position.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, 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
