void ReadCallBack(IAsyncResult ar)
{
StateObject state = ar.AsyncState as StateObject;
try
{
int read = state.ReadStream.EndRead(ar);
if (read > 0)
{
state.ResponseInfo.ResponseContent.Write(state.Buffer, 0, read);
state.ReadStream.BeginRead(state.Buffer, 0, state.Buffer.Length, ReadCallBack, state);
}
else
{
state.ReadStream.Close();
state.HttpWebRequest.Abort();
if (state.Action != null)
{
state.Action(state.ResponseInfo);
}
}
}
catch (Exception ex)
{
HandException(ex, state);
}
}