private void 新增频道ToolStripMenuItem_Click(object sender, EventArgs e) { AddFeed addFeed = new AddFeed(); addFeed.ShowDialog(); string url = addFeed.Url; if (url != string.Empty) { RssFeed newFeed = new RssFeed(url); RssLinkXML rssLinkXML = new RssLinkXML(); rssLinkXML.AddLink(newFeed.MainChannel.Title, url); ShowDefaultItems(); } }