如何在 Windows Mobile 7.1 中检索特定用户的最新推文？

发布于 2024-12-25 07:49:18 字数 983 浏览 1 评论 0原文

我有一个文本框来从用户那里获取用户名，并试图从我的应用程序中检索他的最新推文，但它不起作用。当我尝试使用列表框获取用户的所有推文时，它工作正常。我尝试了这段代码：

    private void button1_Click(object sender, RoutedEventArgs e)
    {
        WebClient twitter = new WebClient();
        twitter.DownloadStringCompleted += new DownloadStringCompletedEventHandler(twitter_DownloadStringCompleted);
        twitter.DownloadStringAsync(new Uri("http://api.twitter.com/1/statuses/user_timeline.xml?screen_name=" + username.Text));

    }

    void twitter_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
    {
        //throw new NotImplementedException();
        if (e.Error != null)
            return;

        XElement xmlTweets = XElement.Parse(e.Result);

        //trying something
        var message = from tweet in xmlTweets.Descendants("status")
                      select tweet.Element("text").Value;

        textBlock1.Text = message.ToString();

}

输出：System.Linq.Enumerable+

原文

I have a textbox to get the user name from the user and am trying to retrieve his latest tweet from my application and its not working. When i try to get all the tweets of a user using a list box its working fine.
I tried this code:

    private void button1_Click(object sender, RoutedEventArgs e)
    {
        WebClient twitter = new WebClient();
        twitter.DownloadStringCompleted += new DownloadStringCompletedEventHandler(twitter_DownloadStringCompleted);
        twitter.DownloadStringAsync(new Uri("http://api.twitter.com/1/statuses/user_timeline.xml?screen_name=" + username.Text));

    }

    void twitter_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
    {
        //throw new NotImplementedException();
        if (e.Error != null)
            return;

        XElement xmlTweets = XElement.Parse(e.Result);

        //trying something
        var message = from tweet in xmlTweets.Descendants("status")
                      select tweet.Element("text").Value;

        textBlock1.Text = message.ToString();

}

the output : System.Linq.Enumerable+

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笔芯 2025-01-01 07:49:18

试试这个：

var message = (from tweet in xmlTweets.Descendants("status")
                      select tweet.Element("text").Value).FirstOrDefault();

if(!String.IsNullOrEmpty(message))
   textBlock1.Text = message.ToString();

Try this:

var message = (from tweet in xmlTweets.Descendants("status")
                      select tweet.Element("text").Value).FirstOrDefault();

if(!String.IsNullOrEmpty(message))
   textBlock1.Text = message.ToString();

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