private void btnThemSanPham_Click(object sender, EventArgs e) { frmThemSanPham frm = new frmThemSanPham(); frm.MdiParent = this.MdiParent; frm.Dock = DockStyle.Fill; frm.Show(); this.LayoutMdi(MdiLayout.TileHorizontal); }
private void ThemSanPham_Click(object sender, EventArgs e) { if (frmThemSP == null) { frmThemSP = new frmThemSanPham(); frmThemSP.MdiParent = this; frmThemSP.Dock = DockStyle.Fill; frmThemSP.WindowState = FormWindowState.Maximized; frmThemSP.Show(); } else { frmThemSP.BringToFront(); } //this.LayoutMdi(MdiLayout.TileHorizontal); }