private void bt1_Click(object sender, EventArgs e) { string message = string.Empty; if (chenUser(ref message)) { MessageBox.Show(message); sm = new FrmAdmin(); sm.Show(); this.Hide(); } else { MessageBox.Show(message); } }
private void timer1_Tick(object sender, EventArgs e) { if (sm!=null) { if (!sm.Visible) { this.Show(); } } else { sm = new FrmAdmin(); sm.Hide(); this.Show(); } }