System.Object
   System.EventArgs
      Xceed.SSH.Client.SSHEventArgs
         Xceed.SSH.Client.AlgorithmsNegotiatedEventArgs
         Xceed.SSH.Client.AuthenticationBannerReceivedEventArgs
         Xceed.SSH.Client.DisconnectedEventArgs
         Xceed.SSH.Client.HostKeyReceivedEventArgs
         Xceed.SSH.Client.InitializingSFtpReadStreamEventArgs
   System.Exception
      System.ApplicationException
         Xceed.FileSystem.FileSystemException
            Xceed.SSH.Client.ItemAccessDeniedException
            Xceed.SSH.Client.UnsupportedFileLockException
      Xceed.SSH.Core.SSHException
         Xceed.SSH.Client.HttpReplyException
   System.MarshalByRefObject
      System.IO.Stream
         Xceed.SSH.Client.SFtpPacketInputStream
         Xceed.SSH.Client.SFtpStream
            Xceed.SSH.Client.SFtpReadStream
            Xceed.SSH.Client.SFtpWriteStream
      Xceed.FileSystem.FileSystemItem
         Xceed.FileSystem.AbstractFile
            Xceed.SSH.Client.SFtpFile
         Xceed.FileSystem.AbstractFolder
            Xceed.SSH.Client.SFtpFolder
   Xceed.SSH.Client.HttpReply
   Xceed.SSH.Client.InteractiveSession
      Xceed.SSH.Client.ExecuteCommandSession
   Xceed.SSH.Client.KeyboardInteractiveRequest
   Xceed.SSH.Client.Licenser
   Xceed.SSH.Client.PuTTYPrivateKeyFile
   Xceed.SSH.Client.SFtpClient
   Xceed.SSH.Client.SFtpSession
      Xceed.SSH.Client.SFtpConnection
   Xceed.SSH.Client.SocketIOProvider
   Xceed.SSH.Client.SSHClient
   Xceed.SSH.Core.ProxyClient
      Xceed.SSH.Client.HttpProxyClient
      Xceed.SSH.Client.SOCKS4ProxyClient
      Xceed.SSH.Client.SOCKS5ProxyClient
   Xceed.SSH.Core.SSHConnectionManager
      Xceed.SSH.Client.SSHClientConnectionManager
   Xceed.SSH.Core.SSHPacketIOManager
      Xceed.SSH.Client.SFtpPacketIOManager

Reference

Xceed.SSH.Client Assembly