Create multiple directories on ftp and then upload file

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C#

I want to upload a file to an FTP, however the FTP not always have the directory i want to put my file on and also it may need more tan 1 directory to be created before uploading the file

My Ftp always contains these route:

ftp://server.com/invoice/

however i need to créate theese folders before uploading my file

href="ftp://server.com/Invoices/RFC/RFC2/NOTES">

how ever not always does the ftp has these routes

i need to be able to check if these folders exist and if not créate them, i have tryed Ftp.MakeDirectory but these only creates the last folder i need to créate the 3 of them before uploading a file and dont know how to make these

What I have tried:

this is my code as for now

public void UploadFTP( string userName, string password, string FilePath, string FileName)
   {
     string hostFTPIP="";

     FtpWebRequest ftpWebRequest = null;
     Stream ftpStream = null;
     int bufferSize = 2048;
     string fullpath = FilePath + FileName;

     ftpWebRequest = (FtpWebRequest)FtpWebRequest.Create(hostFTPIP);
     ftpWebRequest.Credentials = new NetworkCredential(userName, password);

     ftpWebRequest.Method = WebRequestMethods.Ftp.MakeDirectory;


     ftpWebRequest.UseBinary = true;
     ftpWebRequest.UsePassive = false;
     ftpWebRequest.KeepAlive = true;
     ftpWebRequest.Method = WebRequestMethods.Ftp.UploadFile;
     ftpStream = ftpWebRequest.GetRequestStream();
     FileStream LocalUserFileStream = new FileStream(fullpath, FileMode.Open, FileAccess.Read);
     byte[] byteBuffer = new byte[bufferSize];
     int bytesSent = LocalUserFileStream.Read(byteBuffer, 0, bufferSize);
     try
     {
       while (bytesSent != 0)
       {
         ftpStream.Write(byteBuffer, 0, bytesSent);
         bytesSent = LocalUserFileStream.Read(byteBuffer, 0, bufferSize);

       }
     }
     catch (Exception ex)
     {
      Console.WriteLine("Error in Uploading Files" + ex);
     }
     LocalUserFileStream.Close();
     ftpStream.Close();
     ftpWebRequest = null;


   }