private void BtnPhieuXuat_Click(object sender, EventArgs e) { Form frm = this.checkIfExist(typeof(formPhieuXuat)); if (frm != null) { frm.Activate(); } else { formPhieuXuat f = new formPhieuXuat(); f.Show(); } }
private void BtnPhieuXuat_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frm = this.checkIfExist(typeof(formPhieuXuat)); if (frm != null) { frm.Activate(); } else { formPhieuXuat f = new formPhieuXuat(); // f.MdiParent = this; f.Show(); } }