DownloadFileTaskAsync() [2/2]

Task System.Net.WebClient.DownloadFileTaskAsync ( Uri address, string fileName )

inline

Definition at line 1978 of file WebClient.cs.

    {
        TaskCompletionSource<object> tcs = new TaskCompletionSource<object>(address);
        AsyncCompletedEventHandler handler = null;
        handler = delegate(object sender, AsyncCompletedEventArgs e)
        {
            HandleCompletion(tcs, e, (AsyncCompletedEventArgs args) => (object)null, handler, delegate(WebClient webClient, AsyncCompletedEventHandler completion)
            {
                webClient.DownloadFileCompleted -= completion;
            });
        };
        DownloadFileCompleted += handler;
        try
        {
            DownloadFileAsync(address, fileName, tcs);
        }
        catch
        {
            DownloadFileCompleted -= handler;
            throw;
        }
        return tcs.Task;
    }

References System.ComponentModel.AsyncCompletedEventHandler(), System.Net.WebClient.DownloadFileAsync(), System.Net.WebClient.DownloadFileCompleted, and System.Threading.Tasks.TaskCompletionSource< TResult >.Task.