Public Function OpenLogFile( _
    ByVal LogFileName As String, _
    ByVal LogFileMode As AgEOpenLogFileMode _
) As Boolean

public bool OpenLogFile(
    string LogFileName,
    AgEOpenLogFileMode LogFileMode
);

public: bool OpenLogFile(
    String __gc ^ LogFileName,
    AgEOpenLogFileMode LogFileMode
);

public: HRESULT OpenLogFile(
    BSTR LogFileName,
    AgEOpenLogFileMode LogFileMode,
    VARIANT_BOOL * pVal
);

public bool openLogFile(
    String LogFileName,
    AgEOpenLogFileMode LogFileMode
);