Enumerating Keys and Data Using ABO

Enumerate metabase keys and data to obtain a list of all properties set at a metabase node, all virtual directories on a server, or other lists of useful information.

Using EnumKeys and EnumData

Use the EnumKeys method to enumerate the subkeys of a key. The name of one subkey is returned per enumeration call. HRESULT_FROM_WIN32(ERROR_NO_MORE_ITEMS) is returned after the last subkey has been enumerated. To get a total count of the subkeys associated with a key, increment the index parameter of the method.

Alternatively, use the EnumData method to enumerate the data elements of a key. One data item is enumerated per call, but unlike enumerating keys, the EnumData method returns the data as well as the data identifier, so a METADATA_RECORD structure must be passed to receive the data. HRESULT_FROM_WIN32(ERROR_NO_MORE_ITEMS) is returned after the last data item has been enumerated. To get a total count of the data items associated with a key, you must increment the index parameter of the method.