DownloadFileAsync() [2/2]

void System.Net.WebClient.DownloadFileAsync ( Uri address, string fileName, object? userToken )

inline

Definition at line 1602 of file WebClient.cs.

    {
        ArgumentNullException.ThrowIfNull(address, "address");
        ArgumentNullException.ThrowIfNull(fileName, "fileName");
        FileStream fileStream = null;
        AsyncOperation asyncOperation = StartAsyncOperation(userToken);
        try
        {
            fileStream = new FileStream(fileName, FileMode.Create, FileAccess.Write);
            DownloadBitsAsync(_webRequest = GetWebRequest(GetUri(address)), fileStream, asyncOperation, DownloadFileAsyncCallback);
        }
        catch (Exception ex) when (!(ex is OutOfMemoryException))
        {
            fileStream?.Close();
            DownloadFileAsyncCallback(null, GetExceptionToPropagate(ex), asyncOperation);
        }
    }

References System.Net.WebClient._webRequest, System.IO.Stream.Close(), System.Net.WebClient.DownloadBitsAsync(), System.Net.WebClient.DownloadFileAsyncCallback(), System.Net.WebClient.GetExceptionToPropagate(), System.Net.WebClient.GetUri(), System.Net.WebClient.GetWebRequest(), System.Net.WebClient.StartAsyncOperation(), and System.ArgumentNullException.ThrowIfNull().