private void sảnPhẩmToolStripMenuItem_Click(object sender, EventArgs e) { if (sp == null) { sp = new Sanpham_View(); sp.StartPosition = FormStartPosition.CenterScreen; sp.WindowState = FormWindowState.Maximized; sp.MdiParent = this; sp.Show(); } else { sp.Activate(); } }
private void bbtSanpham_ItemClick(object sender, ItemClickEventArgs e) { Form frm = this.Kiemtratontai(typeof(Sanpham_View)); if (frm != null) { frm.Activate(); } else { Sanpham_View sp = new Sanpham_View(); sp.MdiParent = this; //dmk.StartPosition = FormStartPosition.CenterParent; sp.WindowState = FormWindowState.Maximized; sp.Show(); } }