以主动方式即我们不需要向系统申请注册捕捉某个游戏手柄，我们只是根据自己的需要按时去获取游戏手柄的状态信息.应用API-Actively that we do not need to apply to the system registered to capture the handle of a game, we just go get the game on time and according to their needs handle status information. Application API