private void mnuBanHang_Click(object sender, EventArgs e)
        {
            frm_BanHang frmBanHang = frm_BanHang.Instance;

            frmBanHang.MdiParent = this;
            frmBanHang.Dock      = DockStyle.Fill;
            frmBanHang.Show();
        }
Exemple #2
0
 private void frm_BanHang_FormClosed(object sender, FormClosedEventArgs e)
 {
     _Instance = null;
 }