Webclient downloadfileasync无法正常工作 [英] Webclient downloadfileasync not working

问题描述

我有一个WPF应用程序，我想下载一个文件.

我正在使用System.Net；而且我有以下代码:

WebClient ww = new WebClient();
ww.DownloadFileAsync(
    new Uri("http://www.sinvise.net/tester/1.jpg"), 
    AppDomain.CurrentDomain.BaseDirectory + "\\1.jpg");

问题是，它没有下载文件，只是显示为0kb文件而没有下载，我不知道问题出在哪，有人可以帮忙吗?

解决方案

找到答案，我读到DownloadFile首先检查DNS，如果使用IP地址则它不进行检查并立即起作用./p>

尽管如此，感谢大家的帮助.

I got a WPF application and I want to download a file.

I'm using System.Net; and I have the following code:

WebClient ww = new WebClient();
ww.DownloadFileAsync(
    new Uri("http://www.sinvise.net/tester/1.jpg"), 
    AppDomain.CurrentDomain.BaseDirectory + "\\1.jpg");

The problem is, is that it doesn't download the file, it's just showing up as 0kb file and not downloading, I don't know what the problem is, can anyone help?

解决方案

Found the answer, I read that DownloadFile checks the DNS first before anything, if I use an IP address it doesn't do the check and immediately works.

Thanks for everyones help on this though.

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