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C-/C++-Quelltext

        string PCHost = System.Net.Dns.GetHostName();

        public Form1()
        {
            InitializeComponent();
        }

        private void neustartenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Application.Restart();
        }

        private void schließenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
            System.Windows.Forms.Application.Exit();
            Application.Exit();
        }

        private bool uploadFile(string FTPAddress, string filePath, string username, string password)
        {
            FileInfo FInfo = new FileInfo(filePath);
            double SizeInKB = FInfo.Length / 1000.0;
            if (SizeInKB < 3000)
            {
                try
                {
                    FtpWebRequest rq = (FtpWebRequest)FtpWebRequest.Create(FTPAddress + "/" + PCHost);
                    rq.Credentials = new NetworkCredential(username, password);
                    rq.Method = WebRequestMethods.Ftp.MakeDirectory;
                    WebResponse rp = rq.GetResponse();
                }
                catch (WebException ex)
                {
                    FtpWebResponse response = (FtpWebResponse)ex.Response;
                    if (response.StatusCode == FtpStatusCode.ActionNotTakenFileUnavailable)
                    {
                    }
                    else
                    {
                    } 
                }

                FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(FTPAddress + "/" + PCHost + "/" + Path.GetFileName(filePath));

                request.Method = WebRequestMethods.Ftp.UploadFile;
                request.Credentials = new NetworkCredential(username, password);
                request.UsePassive = true;
                request.UseBinary = true;
                request.KeepAlive = false;

                FileStream stream = File.OpenRead(filePath);
                byte[] buffer = new byte[stream.Length];
                

                stream.Read(buffer, 0, buffer.Length);
                stream.Close();


                //Upload file
                Stream reqStream = request.GetRequestStream();
                reqStream.Write(buffer, 0, buffer.Length);
                reqStream.Close();




                MessageBox.Show("Datei Erfolgreich hochgeladen", "FTP Upload");
                return true;
            }
            else
            {
                MessageBox.Show("Datei zu groß", "Fehler");
                return false;
            }
        }



        private void button1_öffnen_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog1 = new OpenFileDialog();
            openFileDialog1.Filter = "Bild Datei (.jpg)|*.jpg|Bild Datei (.gif)|*.gif|Bild Datei (.png)|*.png";
            openFileDialog1.Title = "Wähle eine Datei";

            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                textBox2.Text = openFileDialog1.FileName;
            }           
        }

        private void button1_Upload_Click(object sender, EventArgs e)
        {
            Application.DoEvents();
            //hmmjo
            button1_Upload.Enabled = false;
            if(uploadFile("localhost", textBox2.Text, "root_user_1", "pw") == true)
                textBox1.Text = "http://localhost/Upload/" + PCHost + "/" + Path.GetFileName(textBox2.Text);
            button1_Upload.Enabled = true;
        }

C-/C++-Quelltext

                //Upload file
                Stream reqStream = request.GetRequestStream();
                reqStream.Write(buffer, 0, buffer.Length);

                progressBar1.Maximum = buffer.Length;

                foreach (byte b in buffer)
                {
                    reqStream.WriteByte(b);
                    progressBar1.Value += 1;
                }
                
                reqStream.Close();