| C# | Visual Basic | Visual C++ | 
public ArchiveDataBlock FindLastDataBlock( int historianID )
Public Function FindLastDataBlock ( _ historianID As Integer _ ) As ArchiveDataBlock
public: ArchiveDataBlock^ FindLastDataBlock( int historianID )
- historianID (Int32)
 - Historian identifier.
 
        ArchiveDataBlock object if a match is found; otherwise null.