private void button1_Click(object sender, EventArgs e) { MailDB Db = new MailDB(); switch (Db.authUser(textBox1.Text, textBox2.Text)) { case User.NoUser: MessageBox.Show("Ошибка доступа."); break; case User.Admin: MainForm mainForm = new MainForm(1); this.Hide(); mainForm.Owner = this; mainForm.Show(); break; case User.Operator: MainForm mainForm1 = new MainForm(); this.Hide(); mainForm1.Owner = this; mainForm1.Show(); break; case User.User: Db.logAuthuser(textBox1.Text); UserForm userForm = new UserForm(textBox1.Text); userForm.Owner = this; this.Hide(); userForm.Show(); break; } }