public void Disconnect() { if (_server == null) { throw new InvalidOperationException("OPC Serverに接続されていません。"); } _group.Dispose(); _group = null; _server.Dispose(); _server = null; _serverHandles = null; }
public void Connect(string progId) { _logger.Trace($"Connect( {progId ?? "<null>"} )"); if (_server != null) { throw new InvalidOperationException("既にOPC Serverに接続されています。"); } if (progId == null) { throw new ArgumentNullException(nameof(progId)); } _server = _factory.CreateFromProgId(progId); if (_server == null) { throw new NullReferenceException(nameof(_server)); } _group = _server.AddGroup("default", true, 1000, 0, 0, 0); if (_group == null) { throw new NullReferenceException(nameof(_group)); } _serverHandles = new ConcurrentDictionary <string, int>(); }