System.Object
   System.EventArgs
      Xceed.Ftp.CertificateReceivedEventArgs
      Xceed.Ftp.CertificateRequiredEventArgs
      Xceed.Ftp.CommandSentEventArgs
      Xceed.Ftp.FileTransferStatusEventArgs
      Xceed.Ftp.MultipleFileTransferErrorEventArgs
      Xceed.Ftp.ParsingListingLineEventArgs
      Xceed.Ftp.ReplyReceivedEventArgs
      Xceed.Ftp.TransferringFileEventArgs
   System.Exception
      System.ApplicationException
         Xceed.Ftp.FtpException
            Xceed.Ftp.FtpAbortException
            Xceed.Ftp.FtpInternalException
            Xceed.Ftp.FtpInvalidStateException
            Xceed.Ftp.FtpIOException
            Xceed.Ftp.FtpReplyException
            Xceed.Ftp.FtpSslException
            Xceed.Ftp.FtpTimeoutException
            Xceed.Ftp.HttpReplyException
         Xceed.Ftp.QuickFtpException
   System.MarshalByRefObject
      Xceed.FileSystem.FileSystemItem
         Xceed.FileSystem.AbstractFile
            Xceed.Ftp.FtpFile
         Xceed.FileSystem.AbstractFolder
            Xceed.Ftp.FtpFolder
   System.Security.Cryptography.X509Certificates.X509Certificate
      System.Security.Cryptography.X509Certificates.X509Certificate2
         Xceed.Ftp.Certificate
   System.ValueType
      Xceed.Ftp.SecurityOptions
   Xceed.Ftp.FtpClient
      Xceed.Ftp.AsyncFtpClient
   Xceed.Ftp.FtpConnection
   Xceed.Ftp.FtpItemInfo
   Xceed.Ftp.FtpListingParser
      Xceed.Ftp.FtpAS400ListingParser
      Xceed.Ftp.FtpDosListingParser
      Xceed.Ftp.FtpMachineListingParser
      Xceed.Ftp.FtpUnixListingParser
      Xceed.Ftp.FtpVmsListingParser
   Xceed.Ftp.FtpReply
   Xceed.Ftp.HttpReply
   Xceed.Ftp.Licenser
   Xceed.Ftp.ProxyClient
      Xceed.Ftp.HttpProxyClient
   Xceed.Ftp.QuickFtp
   Xceed.Utils.Collections.ListBase
      Xceed.Ftp.FtpItemInfoList
      Xceed.Ftp.FtpListingParserList
      Xceed.Ftp.StringList

Reference

Xceed.Ftp Assembly