Method HandleCallback

Sources/Shared/IO/WebRequest.cpp:1862–1896

	}

	void WebRequestWinHTTP::HandleCallback(DWORD dwInternetStatus, LPVOID lpvStatusInformation, DWORD dwStatusInformationLength)
	{
		switch (dwInternetStatus) {
			case WINHTTP_CALLBACK_STATUS_SENDREQUEST_COMPLETE: {
				WriteData();
				break;
			}
			case WINHTTP_CALLBACK_STATUS_READ_COMPLETE: {
				if (dwStatusInformationLength > 0) {
					_response->ReportDataReceived(dwStatusInformationLength);
					if (!_response->ReadData() && !WasCancelled()) {
						SetFailedWithLastError("Reading data"_s);
					}
				} else {
					SetFinalStateFromStatus();
				}
				break;
			}
			case WINHTTP_CALLBACK_STATUS_WRITE_COMPLETE: {
				DWORD bytesWritten = *(reinterpret_cast<LPDWORD>(lpvStatusInformation));
				_dataWritten += bytesWritten;
				WriteData();
				break;
			}
			case WINHTTP_CALLBACK_STATUS_REQUEST_ERROR: {
				LPWINHTTP_ASYNC_RESULT asyncResult = reinterpret_cast<LPWINHTTP_ASYNC_RESULT>(lpvStatusInformation);
				if (asyncResult->dwError == ERROR_WINHTTP_OPERATION_CANCELLED && WasCancelled()) {
					SetState(WebRequest::State::Cancelled);
				} else {
					SetFailed("Async request"_s, asyncResult->dwError);
				}
				break;
			}
		}
	}

	void WebRequestWinHTTP::WriteData()
	{