[Window Form] 우 클릭 메뉴 버튼

    private void button1_Click(object sender, EventArgs e)
        {
            MenuItem m1 = new MenuItem("상악");
            MenuItem m2 = new MenuItem("1");
            MenuItem m3 = new MenuItem("2악");
            MenuItem[] ms = new MenuItem[3]
            {
                m1,m2,m3
            };
            ContextMenu menu = new ContextMenu(ms);

            menu.Show((Control)sender, new Point(10, 10));
           
            m1.Click += upper;
        }
        public void upper( object o, System.EventArgs e)
        {
            int i = 0;
        }