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