/// <summary>Create and prepare a new class instance.</summary>
/// <param name="eventLogger">
/// Event Logger specifies a <see cref="EventLoggerAccess"/> instance and must not be
/// null...</param>
/// <exception cref="ArgumentNullException">
/// If <paramref name="eventLogger"/> specifies null, an exception is thrown.</exception>
public DataAccess(EventLoggerAccess eventLogger) :
base(eventLogger)
{
if (/*invalid?*/ eventLogger == null)
throw new ArgumentNullException(ClassName + " EventLoggerAccess reference argument (eventLogger) must not be null");
Logger = eventLogger;
Configuration configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
_opcClient = new OpcClient(configuration.GetSection("opcSection") as OpcSection, ConfigurationManager.AppSettings["TagGroup"], Logger);
_opcClient.OpcTagUpdate += new OpcTagUpdateHandler(OpcTagUpdate);
_opcClient.Open();
}
public DataAccess (EventLoggerAccess logger) :
base(logger)
{
_logger = logger;
Configuration configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
_OpcClient = new OpcClient(
configuration.GetSection("opcSection") as OpcSection,
ConfigurationManager.AppSettings["TagGroup"],
_logger);
_OpcClient.OpcTagUpdate += new OpcTagUpdateHandler(_OpcClient_OpcTagUpdate);
_OpcClient.Open();
}
