private void btnNhaCungCap_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = CheckForm(typeof(NCC)); if (frm != null) { frm.Activate(); } else { NCC fr = new NCC(); fr.MdiParent = this; fr.Show(); } }
private void btnThemNCCMoi_Click(object sender, EventArgs e) { foreach (Form formCon in this.MdiParent.MdiChildren) { if (formCon.Name == "NCC") { formCon.Activate(); return; } } NCC moNCC = new NCC(); moNCC.MdiParent = this.ParentForm; moNCC.Show(); }