//数据改变时更新UI private void upDateUI(object sender, PosManager.DataChangedEventArgs e) { tb_sumFinal.Text = e.billFinal; tb_sum.Text = e.billSum; tb_sumFinal1.Text = e.billFinal; tb_fav.Text = e.Fav; tb_count.Text = e.count; }
private void init() { manager = new PosManager(tb_sumFinal, tb_count, dgv_s); //注册处理方法 manager.dataChanged += upDateUI; manager.BillUp += upDateUI; }
//结账时更新UI private void upDateUI(object sender, PosManager.BillUpEventArgs e) { tb_charged.Text = e.chargedSum.ToString(); tb_changed.Text = e.changeSum.ToString(); }