The IsConnected method is used to determine if the client
          is currently connected to a server. 
         
        Parameters
        
          None. 
         
        Return Value
        
          If the client is connected to a server, the method returns
          a non-zero value. If the client is not connected, or the client
          handle is invalid, the method returns zero. 
         
        Requirements
        
          Minimum Desktop Platform: Windows 7 Service Pack 1 
          Minimum Server Platform: Windows Server 2008 R2 Service Pack 1 
          Header File: cstools11.h 
          Import Library: csftpv11.lib 
         
        See Also
        
          GetStatus, 
          IsBlocking, 
          IsInitialized, 
          IsReadable, 
          IsWritable 
         
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