The process can not access the file because this file is used by another : <p>i have a file.log continually writing , i copy this file into my desktop with some script and i test if the a keyword is on the last lane on the log , if yes i show a green picture if not i show a red picture the probleme that when i start my program i get this error her is the code  </p>

<pre><code>    {

        // File.ReadAllLines(@"C:\\Users\\Reta\\Desktop\\TEST\\TEST\\fichiers\\k20\\winvsrTEST.log").Last();
        // System.IO.StreamReader file = new System.IO.StreamReader(@"C:\\Users\\Reta\\Desktop\\TEST\\TEST\\fichiers\\k20\\winvsrTEST.log");
        string motcle1 = "oee code";
        //string line = File.ReadLine().Last().ToString();
        var lines = File.ReadAllLines(@"C:\Users\Reta\Desktop\TEST\TEST\fichiers\k20\winvsrTEST.log");
        string line = lines.Last();


        //line = File.ReadAllLine();
        //do
        {
            if (line.Contains(motcle1))
            {

                pictureBox2.Show();
                pictureBox1.Hide();


            }
            else
            {
                pictureBox2.Hide();
                pictureBox1.Show();
            }


        }
        //while ((line = File.ReadLine()) != null);
        label1.Text = "Hi";

    }
}
</code></pre>

<p>}`</p>
