System.Net.HttpListener.CreateRequestQueueHandle C# (CSharp) Method

        private unsafe void CreateRequestQueueHandle()
        {
            uint statusCode = Interop.HttpApi.ERROR_SUCCESS;

            HttpRequestQueueV2Handle requestQueueHandle = null;
            statusCode =
                Interop.HttpApi.HttpCreateRequestQueue(
                    Interop.HttpApi.s_version, null, null, 0, out requestQueueHandle);

            if (statusCode != Interop.HttpApi.ERROR_SUCCESS)
            {
                throw new HttpListenerException((int)statusCode);
            }

            // Disabling callbacks when IO operation completes synchronously (returns ErrorCodes.ERROR_SUCCESS)
            if (SkipIOCPCallbackOnSuccess &&
                !Interop.HttpApi.SetFileCompletionNotificationModes(
                    requestQueueHandle,
                    Interop.HttpApi.FileCompletionNotificationModes.SkipCompletionPortOnSuccess |
                    Interop.HttpApi.FileCompletionNotificationModes.SkipSetEventOnHandle))
            {
                throw new HttpListenerException(Marshal.GetLastWin32Error());
            }

            _requestQueueHandle = requestQueueHandle;
        }