private void btClose_Click(object sender, EventArgs e) { FormLogin fg = new FormLogin(); DialogResult result = MessageBox.Show("Bạn muốn thoát khỏi chương trình ?", "Thông Báo !", MessageBoxButtons.YesNo); if (result == DialogResult.Yes) { Application.Exit(); } else { fg.ShowDialog(); } }
private void Form1_Load(object sender, EventArgs e) { this.Show(); this.Visible = false; FormLogin lg = new FormLogin(); DialogResult result = lg.ShowDialog(); if (result == DialogResult.OK || result == DialogResult.Yes) { if (result == DialogResult.Yes) { isAdmin = true; adminToolStripMenuItem.Enabled = true; } this.Enabled = true; loadDataDrinkTopping(panelDrinks, "D"); loadDataDrinkTopping(panelTopping, "T"); } else { Application.Exit(); } }