double Tmoy = 0;
        K = 0;
        for (int j = 0; j < 655; j++)
        {
            for (int i = 0; i < 493; i++)
            {
                Tmoy += _SDKInstance.GetTemperatureAt(j, i);
                K += 1;
            }
        }
        Tmoy = Tmoy / K;

            txtTmoy.Text = Tmoy.ToString();


string docPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
             using (StreamWriter outputFile = new StreamWriter(System.IO.Path.Combine(docPath, "WriteLines.txt"), true))
             {


                 outputFile.WriteLine(DateTime.Now.ToString()+";"+ Tmoy.ToString());

             }