System.Object
   Dart.Telnet.Credentials
   Dart.Telnet.License
   Dart.Telnet.Option
   Dart.Telnet.Proxy
   Dart.Telnet.Security
      Dart.Telnet.ClientSecurity
   Dart.Telnet.Segment
      Dart.Telnet.Data
         Dart.Telnet.Datagram
   Dart.Telnet.Session
      Dart.Telnet.TcpSession
   Dart.Telnet.SocketOption
      Dart.Telnet.TcpSocketOption
   System.Collections.Generic.List<T>
      Dart.Telnet.OptionCollection
   System.EventArgs
      Dart.Telnet.BaseEventArgs
      Dart.Telnet.CommandEventArgs
      Dart.Telnet.ErrorEventArgs
      Dart.Telnet.OptionEventArgs
      Dart.Telnet.UserStateEventArgs
         Dart.Telnet.DataEventArgs
   System.Exception
      Dart.Telnet.DartLicenseException
      System.ApplicationException
         Dart.Telnet.DataException
         Dart.Telnet.ProtocolException
   System.MarshalByRefObject
      System.ComponentModel.Component
         Dart.Telnet.ComponentBase
            Dart.Telnet.SocketBase
               Dart.Telnet.TcpBase
                  Dart.Telnet.PtyBase
                     Dart.Telnet.Rlogin
                     Dart.Telnet.Telnet
                  Dart.Telnet.Rexec
                  Dart.Telnet.Rsh
   System.Net.EndPoint
      System.Net.IPEndPoint
         Dart.Telnet.IPEndPoint

Reference

Dart.Telnet Assembly