RetrievalMode

Specifies the type of data retrieval. When used with the wwHistory2 or wwWideHistory2 functions, valid values are options 0 to 11 of the aaRetrievalMode enumeration. For more information, see aaRetrievalMode Enumeration.

When used with other functions, valid values are:

TRUE = Cyclic retrieval. All stored data for the specified time interval is returned. This is the default retrieval mode.

FALSE = Delta retrieval. Only values that changed during the specified time interval are returned.