Winscp: Logging transfer files.

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C#

backup

I have a code for transferring files using winscp, I want to log all files that was transferred. The problem is, when the hierarchy gets deeper(folders/files under subfolders). The logs prints multiple times) Example below:

I want to transfer "1.1.1.txt" to the remote server in folder "New Folder1.1",
the logs that will be printed is below:

2015-03-24 17:49:34,742 Copy of: d:\jk\new folder1\new folder1.1\1.1.1.txt To: /files/df/jk/New folder1/New folder1.1 :  Successful.

2015-03-24 17:49:34,742 Copy of: d:\jk\new folder1\new folder1.1\1.1.1.txt To: /files/df/jk/New folder1 : Successful.

I'm thinking if maybe because of the transfereventargs.(I'm not sure)
Any help would be greatly appreciated. :)


The code for transferring the files.

public string TransferFile(string localFileToBebackedUp, string targetDir)
 {
     string displayResult = "";
     session.Timeout = session.Timeout.Add(TimeSpan.FromMinutes(30));
     try
     {
             TransferOptions transferOptions = new TransferOptions();
             transferOptions.TransferMode = WinSCP.TransferMode.Binary;
             transferOptions.FilePermissions = null;
             TransferOperationResult transferResult;
                 transferResult = session.PutFiles(@localFileToBebackedUp, targetDir, false, transferOptions);
                 transferResult.Check();
                 foreach (TransferEventArgs transfer in transferResult.Transfers )
                 {
                     logService.Info("Copy of: " + transfer.FileName + " To: " + targetDir + ":  Successful.");
                 }
             return displayResult;
     }
     catch (Exception ex)
     {
         ErrorType type = errorHandler.GetErrorType(ex.Message);
         logger.LogFailed(type, localFileToBebackedUp, targetDir);
         UpdateFileTransferStatus(type);
         return null;
     }
 }

And because I am using threading, here's the code:

public void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
 {
     int i = 0;
     StringBuilder builder = new StringBuilder();
     foreach (string filesToBackUp in localFileDirectories.Keys)
     {
         string[] parents = localFileDirectories[filesToBackUp].Split('/');
         string newTarget = targetDirectory;
         foreach (string p in parents)
         {
             if (transferBackgroundWorker.CancellationPending)
             {
                 e.Cancel = true;
                 return;
             }
             newTarget = newTarget + "/" + p;
             try
             {
                 if (p != "" && !session.FileExists(newTarget))
                 {
                     CreateNewFolder(newTarget);
                 }
             }
             catch (Exception ex)
             {
                 ErrorType type = errorHandler.GetErrorType(ex.Message);
                 logger.LogFailed(type, filesToBackUp, newTarget);
                 UpdateFileTransferStatus(type);
             }
         }
         string result = TransferFile(filesToBackUp, newTarget);
         builder.Append(result);
         i++;
         transferBackgroundWorker.ReportProgress(i);
         e.Result = 500;
     }
 }