private void btDangNhap_Click(object sender, EventArgs e) { formDangNhap loginForm = new formDangNhap(); loginForm.Show(); Visible = false; }
private void formDangNhap_FormClosed(object sender, FormClosedEventArgs e) { if (MessageBox.Show("Do you really want to exit ?", "Notification", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) { Application.Exit(); } else { formDangNhap fDN = new formDangNhap(); fDN.Show(); } }