UploadFileWithWINSCPSnip.cs

public string UploadFile(string zipFileName, string fullZipFilePath, 
              TransferOptions transOptions, SessionOptions sessionOptions)
{
	using (var session = new Session())
	{		
       		session.Open(sessionOptions);
        
        	return session.PutFiles(
			zipFileName, 
			fullZipFilePath, 
			false, 
			transOptions);
      }
}