Beispiel #1
0
        private void quảnLýMỹPhẩmToolStripMenuItem_Click(object sender, EventArgs e)
        {
            MyPham nv = new MyPham();

            if (CheckExistForm("MyPham"))
            {
                nv.MdiParent = this;
                nv.Show();
            }
            else
            {
                return;
            }
        }