Exemplo n.º 1
0
        private void ProcessAsyncRequest(AsyncRequest request)
        {
            request.Error = null;

            try
            {
                request.Result = request.Method();
            }
            catch (Exception ex)
            {
                _log.Error("Call to requested method failed with exception.", ex);
                request.Result = null;
                request.Error  = ex;
                // do nothing here we will send error info when invoking callback
            }

            try
            {
                if (_synchronizationContext == SynchronizationContext.Current)
                {
                    // Execute callback on the current thread
                    request.Callback(request.Result, request.Error);
                }
                else
                {
                    // Post the callback on the creator thread
                    _synchronizationContext.Post(new SendOrPostCallback(delegate(object state)
                    {
                        var r = state as AsyncRequest;
                        r.Callback(r.Result, r.Error);
                    }), request);
                }
            }
            catch (Exception ex)
            {
                _log.Error("Unable to invoke callback method.", ex);
            }
        }
Exemplo n.º 2
0
        private void ProcessAsyncRequest(AsyncRequest request)
        {
            request.Error = null;

            try
            {
                request.Result = request.Method();
            }
            catch (Exception ex)
            {
                _log.Error("Call to requested method failed with exception.", ex);
                request.Result = null;
                request.Error = ex;
                // do nothing here we will send error info when invoking callback
            }

            try
            {
                if (_synchronizationContext == SynchronizationContext.Current)
                {
                    // Execute callback on the current thread
                    request.Callback(request.Result, request.Error);
                }
                else
                {
                    // Post the callback on the creator thread
                    _synchronizationContext.Post(new SendOrPostCallback(delegate(object state)
                    {
                        var r = state as AsyncRequest;
                        r.Callback(r.Result, r.Error);
                    }), request);
                }
            }
            catch (Exception ex)
            {
                _log.Error("Unable to invoke callback method.", ex);
            }
        }