private void button1_Click(object sender, EventArgs e) { Criptage hash = new Criptage(); string Hashed = hash.Hash(passwordBox.Text); if (File.Exists(Environment.CurrentDirectory + "/pswrd")) { StreamReader rd = new StreamReader(Environment.CurrentDirectory + "/pswrd"); string pswrd = rd.ReadLine(); rd.Close(); if (Hashed == pswrd) { Form.ActiveForm.Hide(); Form1 f = new Form1(); f.Show(); } } else { StreamWriter sw = new StreamWriter(Environment.CurrentDirectory + "/pswrd"); sw.WriteLine(hash.Hash(passwordBox.Text)); sw.Close(); Form.ActiveForm.Hide(); Form1 f = new Form1(); f.Show(); } }