static void BeginGetResponseCallback(IAsyncResult asyncResult)
{
WebResponse webResponse = null;
Stream responseStream = null;
HttpWebRequestAsyncState asyncState = null;
try
{
asyncState = (HttpWebRequestAsyncState)asyncResult.AsyncState;
webResponse = asyncState.HttpWebRequest.EndGetResponse(asyncResult);
responseStream = webResponse.GetResponseStream();
var webRequestCallbackState = new HttpWebRequestCallbackState(responseStream, asyncState.State);
asyncState.ResponseCallback(webRequestCallbackState);
responseStream.Close();
responseStream = null;
webResponse.Close();
webResponse = null;
}
catch (Exception ex)
{
if (asyncState != null)
{
asyncState.ResponseCallback(new HttpWebRequestCallbackState(ex));
}
else
{
throw;
}
}
finally
{
if (responseStream != null)
{
responseStream.Close();
}
if (webResponse != null)
{
webResponse.Close();
}
}
}
static void BeginGetRequestStreamCallback(IAsyncResult asyncResult)
{
Stream requestStream = null;
HttpWebRequestAsyncState asyncState = null;
try
{
asyncState = (HttpWebRequestAsyncState)asyncResult.AsyncState;
//requestStream = asyncState.HttpWebRequest.EndGetRequestStream(asyncResult);
//requestStream.Write(asyncState.RequestBytes, 0, asyncState.RequestBytes.Length);
//requestStream.Close();
asyncState.HttpWebRequest.BeginGetResponse(BeginGetResponseCallback,
new HttpWebRequestAsyncState
{
HttpWebRequest = asyncState.HttpWebRequest,
ResponseCallback = asyncState.ResponseCallback,
State = asyncState.State
});
}
catch (Exception ex)
{
if (asyncState != null)
{
asyncState.ResponseCallback(new HttpWebRequestCallbackState(ex));
}
else
{
throw;
}
}
finally
{
if (requestStream != null)
{
requestStream.Close();
}
}
}
