private void btnTaoLogin_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = this.checkExist(typeof(frmTaoLogin)); if (frm != null) { frm.Activate(); } else { frmTaoLogin f = new frmTaoLogin(); f.MdiParent = this; f.Show(); } }
private void barButtonItem1_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form f = this.checkExist(typeof(frmTaoLogin)); if (f != null) { f.Activate(); } else { frmTaoLogin fNV = new frmTaoLogin(); fNV.MdiParent = this; fNV.Show(); } }