VC++改变windows桌面壁纸，或者说是更换墙纸，高手就不要看了，可能新手还不清楚是怎么实现的，那就下载本源码看一下吧。-VC++ to change the Windows desktop wallpaper, or replace the wallpaper, experts do not read, the novice may not yet clear how to achieve, then download the source code look at it.