/// <summary> /// 从远程采集站下载最新商品分类 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnDownloadCategory_Click(object sender, EventArgs e) { resetProgressBar(); if (service != null) { Writer.writeInvoke(new MessageState { Text = "从远程下载商品分类……", Color = Color.Green }); Categories = service.UpdateCategories(); bindCategory(); Writer.writeInvoke(new MessageState { Text = "下载完成!", Color = Color.Green }); } else { Writer.writeInvoke(new MessageState { Text = "服务异常,无法从远程下载商品分类!", Color = Color.Red }); } }