private void FormParent_Load(object sender, EventArgs e)
        {
            formHeThong fm = new formHeThong();

            fm.MdiParent = this;
            fm.Show();
        }
Ejemplo n.º 2
0
        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
            Form fm = new formHeThong();

            fm.Show();
        }