private void btnChungTu_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { var form = new ChungTuForm(); if (ExistForm(form)) { return; } form.MdiParent = this; form.Show(); }
private void Chungtu_LinkClicked(object sender, DevExpress.XtraNavBar.NavBarLinkEventArgs e) { ChungTuForm newform = new ChungTuForm(); newform.Show(); }