UploadFileTaskAsync() [4/4]

Task< byte[]> System.Net.WebClient.UploadFileTaskAsync ( Uri address, string? method, string fileName )

inline

Definition at line 2056 of file WebClient.cs.

    {
        TaskCompletionSource<byte[]> tcs = new TaskCompletionSource<byte[]>(address);
        UploadFileCompletedEventHandler handler = null;
        handler = delegate(object sender, UploadFileCompletedEventArgs e)
        {
            HandleCompletion(tcs, e, (UploadFileCompletedEventArgs args) => args.Result, handler, delegate(WebClient webClient, UploadFileCompletedEventHandler completion)
            {
                webClient.UploadFileCompleted -= completion;
            });
        };
        UploadFileCompleted += handler;
        try
        {
            UploadFileAsync(address, method, fileName, tcs);
        }
        catch
        {
            UploadFileCompleted -= handler;
            throw;
        }
        return tcs.Task;
    }

References System.Net.UploadFileCompletedEventArgs.Result, System.Threading.Tasks.TaskCompletionSource< TResult >.Task, System.Net.WebClient.UploadFileAsync(), System.Net.WebClient.UploadFileCompleted, and System.Net.UploadFileCompletedEventHandler().