ihuFetchTagCacheEx

Use the ihuFetcTagCacheEx function to fetch a current set of tags and properties from the Historian server and place them into an API cache for subsequent queries, such as ihuGetNumericTagPropertyByTagname.

Prototype

ihuFetchTagCacheEx {
  in long serverhandle,
  out int * NumTagsFound,
};

Remarks

This function uses the criteria set up by ihuTagCacheCriteriaSetStringProperty and ihuTagCacheCriteriaSetNumericProperty for tag browsing.

Returns

• ihuSTATUS_OK
• ihuSTATUS_INVALID_PARAMETER