private void btnAceptar_Click(object sender, EventArgs e) { if (!(tbPassword.Text.Any()) || tbPassword.Text != "123") { MessageBox.Show("Contraseña invalida, intente nuevamente..."); tbPassword.Clear(); } else { if (frmMenu == null) { frmMenu = new FrmConsulta(); frmMenu.FormClosed += MenuFormClosed; } frmMenu.Show(); this.Hide(); } }