ihuFetchTagCacheEx2

Use the ihuFetchTagCacheEx2 function to fetch a current set of tags and properties from the Historian server and place them into an API cache for subsequent queries.

Prototype

ihuFetchTagCacheEx2 {
void * tagCacheContext,
long serverhandle,
MSO Char * tagmask,
int * NumTagsFound
};

Remarks

This function uses the criteria specified in ihuTagCacheCriteriaSetStringProperty and ihuTagCacheCriteriaSetNumericProperty for tag browsing.

Returns

  • ihuSTATUS_OK
  • ihuSTATUS_INVALID_PARAMETER