private void buttonLogin_Click(object sender, EventArgs e) { UserValidation response = sc.Enter(textBoxLogin.Text, textBoxPass.Text); if (!response.Equals(UserValidation.EnterSuccess)) { labelValidation.Text = Validation.dictionaryUserValidation[response]; } else { MainForm mainForm = new MainForm(this, textBoxLogin.Text); mainForm.Show(); this.Hide(); textBoxPass.Text = ""; } }