Echelon OpenLDV - Manual (Page 179)

OpenLDV Programmer’s Guide 171
GetNextAuthenticationKey Method
Applies to: Session Control Object
This method obtains the next xDriver authentication key.
Syntax
C++ STDMETHOD(GetNextAuthenticationKey)(BSTR * authKey)
Visual Basic Function GetNextAuthenticationKey() As String
Table 56. GetNextAuthenticationKey Parameters
Parameter Description
authKey String variable that stores the return data.
Returns
The next authentication key for the RNI, as a 32-character hexadecimal string
representing a 128-bit MD5 authentication key.
GetSessionControlObjectID Method
Applies to: Session Control Object
This method obtains the SCO ID. The SCO ID can be used as a key to store
information related to an xDriver session in external memory. You could allocate
a block of memory for these fields, and tag that block of memory with the SCO
ID. You would then program your lookup extension component to find and
retrieve this memory block using the SCO ID.
Syntax
C++ STDMETHOD(GetSessionControlObjectID)(long * nSCOID)
Visual Basic Function GetSessionControlObjectID() As Integer
Table 57. GetSessionControlObjectID Parameters
Parameter Description
nSCOID Variable (Long) that stores the SCO ID.
Returns
32-bit Session Control Object ID as Long.