public void Download(String url, String text, Action <System.Net.DownloadStringCompletedEventArgs, Form, T> completedFct)
{
mUrl = url;
mText = text;
mCompletedFct = completedFct;
mWebClient = new System.Net.WebClient();
mWebClient.DownloadProgressChanged += new System.Net.DownloadProgressChangedEventHandler(webClient_DownloadProgressChanged);
mWebClient.DownloadStringCompleted += new System.Net.DownloadStringCompletedEventHandler(webClient_DownloadStringCompleted);
System.Uri uri;
bool result = System.Uri.TryCreate(url, UriKind.Absolute, out uri);
if (!result)
{
MessageBox.Show(mParent, "Internal error: url \"" + url + "\" is invalid.", StringResources.Ares, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
// use bg thread because first DwnloadStringAsync call is slow due to proxy detection
if (mShowDialog)
{
mMonitor = new ProgressMonitor(mParent, text);
}
System.Threading.ThreadPool.QueueUserWorkItem(new System.Threading.WaitCallback((object o) =>
{
try
{
mWebClient.Proxy = System.Net.WebRequest.GetSystemWebProxy();
mWebClient.DownloadStringAsync((Uri)o);
}
catch (Exception) // On some computers, .NET throws a NullReferenceException in GetSystemWebProxy()
{
if (mMonitor != null)
{
mMonitor.Close(new Action(() => { }));
}
}
}), uri);
}
}