调用joySetCapture方法，向系统申请对某个游戏手柄的捕捉，如果成功申请，系统将会定时将此游戏手柄的状态信息通过消息方式通知到我们的某个窗口上。-Call joySetCapture method, capture a game controller to the system application, if the application is successful, the system will be timing this game controller status infor