应用层建立event,传入驱动，并等待事件，驱动中检测到事件被触发立即通知应用层，应用层收到消息，进行相应处理。ansi c编写，适合驱动新手使用，实现驱动与应用层的通信，-application layer established event, came to drive, and wait for the incident, Drivers were detected incident was triggered immediately notify the application laye

在驱动中实现设备变化通知，并且获取设备相关信息，类似于应用层中device change消息的处理，cool-In the driver for device change notification, and the acquisition of equipment related information, similar to the application layer in the device change message processing, cool! ! ! !

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