C#

fs.Close();                
sr.Close();                
fs1.Close();

fs.Close();                
sr.Close();                
sw.Close();
fs1.Close();

private void button1_Click(object sender, EventArgs e)
{
   try
   {
      string path = "c:\\Vicky\\DATAS\\matrix.txt";
      string path2 = "c:\\Vicky\\DATAS\\copy.txt";

      using (StreamReader sr = new StreamReader(path))
      using (StreamWriter sw = new StreamWriter(path2))
      {
         string line;
         while ((line = sr.ReadLine()) != null)
         {
            sw.WriteLine(line);
         }
      }
   }
   catch (Exception ex)
   {
      MessageBox.Show(ex.Message);
   }
}

bool FileCopy(string path1, string path2)
{
    try
    {
        using (FileStream readFileStream = new FileStream(path1, FileMode.Open, FileAccess.Read))
        {
            using (StreamReader streamReader = new StreamReader(readFileStream))
            {
                using (FileStream writeFileStream = new FileStream(path2, FileMode.Create, FileAccess.Write))
                {
                    using (StreamWriter streamWriter = new StreamWriter(writeFileStream))
                    {
                        string line;
                        while ((line = streamReader.ReadLine()) != null)
                        {
                            streamWriter.WriteLine(line);
                        }
                    }
                }
            }
        }
        return true;
    }
    catch
    {
        return false;
    }
}

So what is the coding to check if it is the expected one?

Thank You

orescik wrote:

when you turn on computer you see windows login screen, to the computer is connected smartcard reader, when you put the card it checks it. When it is ok windows login on a specific user.

orescik wrote:

or alternative version:
you login as a user, application in c# opens adn blocks mouse and keybord (fullscreen application i think. It asks user for a smart card and after checking it it unblocks computer.