private void ResponseDownloadCompleted(IAsyncResult result)
{
AsyncDownloadArgs asyncArgs = (AsyncDownloadArgs)result.AsyncState;
ConnectionState state = ConnectionState.Success;
Exception dlException = null;
int size = 0;
System.IO.Stream res = null;
if (!asyncArgs.TimedOut)
{
try
{
using (HttpWebResponse resp = (HttpWebResponse)asyncArgs.WR.EndGetResponse(result))
{
using (System.IO.Stream stream = resp.GetResponseStream())
{
res = MyHelper.CopyStream(stream);
#if !(NETFX_CORE)
resp.Close();
#else
resp.Dispose();
#endif
if (res != null && res.CanSeek) int.TryParse(res.Length.ToString(), out size);
}
}
}
catch (WebException ex)
{
state = ConnectionState.ErrorOccured;
if (ex.Status == WebExceptionStatus.RequestCanceled)
state = ConnectionState.Canceled;
dlException = ex;
}
catch (Exception ex)
{
state = ConnectionState.ErrorOccured;
dlException = this.GetOrCreateWebException(ex);
}
}
else
{
state = ConnectionState.Timeout;
}
this.RemoveDownload(asyncArgs.WR);
ConnectionInfo conn = new ConnectionInfo(state, dlException, asyncArgs.Timeout, size, asyncArgs.StartTime, DateTime.UtcNow);
StreamResponse strResp = new StreamResponse(conn, res);
#if !(NETFX_CORE)
System.ComponentModel.AsyncOperationManager.CreateOperation(this).Post(new System.Threading.SendOrPostCallback(delegate(object obj)
{
object[] arr = (object[])obj;
RaiseAsyncDownloadCompleted((StreamResponse)arr[0], arr[1]);
}), new object[] {
strResp,
asyncArgs.UserArgs
});
#else
RaiseAsyncDownloadCompleted(strResp, asyncArgs.UserArgs);
#endif
}
protected abstract void RaiseAsyncDownloadCompleted(StreamResponse response, object userArgs);
