本程序是windows是关于接受键盘响应的一个练习程序,具体反映了事件驱动的特点-This procedure is Windows is about to accept keyboard response of an exercise program, specifically reflects the characteristics of the event driven,,

DesktopApp平台通过winspool接口实现对打印机驱动的监控，并接收印刷Job状态变更事件。(DesktopApp platform to achieve control of the printer driver through the winspool interface, and receive a printed Job state change events.)

此示例演示如何创建可扩展打印设置和打印机通知体验的Windows存储设备应用程序，响应打印驱动程序的事件。此示例还包括一个打印机扩展库，该库可用于从Windows 8.1编写的Windows存储设备应用程序中访问打印机。(This sample shows how to create a Windows Store device app that can extend the print settings and printer notifications experience. This sa