void ixOpenIndex(OnixIndexManagerT IndexManager, OnixFileSpecT File, StatusCodeT *Status)
IndexManager: An Index manager object which was created by a call to ixCreateIndexManager
File: The full path to the index.
Status: A pointer to a value of type StatusCodeT representing any error conditions.
If an error occurred, Status will be set to the error number.
ixOpenIndex opens a previously created index. An index must be opened before you can index or search. If you want to create an index, a call to ixCreateIndex or ixCreateIndexEx is needed.
When you are finished using an index, it should be closed with a call to ixCloseIndex.
ixCloseIndex, ixCreateIndex, ixReloadIndex