VC获取操作系统特殊路径的方法

　　BOOL SHGetSpecialFolderPath （ HWND hwndOwner, LPTSTR lpszPath, int nFolder, BOOL fCreate）；

　　hwndOwner :用GetDesktopWindow API取一个窗口句柄。

　　lpszPath:返回的路径

　　nFolder:标识代号

　　fCreate:true :如果文件夹不存在则创建，false:不创建

　　lpszPath和nFolder对应关系：

　　nFolder lpszPath

　　0 C:/Documents and Settings/当前用户/桌面

　　2 C:/Documents and Settings/当前用户/「开始」菜单/程序

　　5 C:/Documents and Settings/当前用户/My Documents

　　6 C:/Documents and Settings/当前用户/Favorites

　　7 C:/Documents and Settings/当前用户/「开始」菜单/程序/启动

　　8 C:/Documents and Settings/当前用户/Recent

　　9 C:/Documents and Settings/当前用户/SendTo

　　11 C:/Documents and Settings/当前用户/「开始」菜单

　　13 C:/Documents and Settings/当前用户/My Documents/My Music

　　14 C:/Documents and Settings/当前用户/My Documents/My Videos

　　16 C:/Documents and Settings/当前用户/桌面

　　19 C:/Documents and Settings/当前用户/NetHood

　　20 C:/WINDOWS/Fonts

　　21 C:/Documents and Settings/当前用户/Templates

　　22 C:/Documents and Settings/All Users/「开始」菜单

　　23 C:/Documents and Settings/All Users/「开始」菜单/程序

　　24 C:/Documents and Settings/All Users/「开始」菜单/程序/启动

　　25 C:/Documents and Settings/All Users/桌面

　　26 C:/Documents and Settings/当前用户/Application Data

　　27 C:/Documents and Settings/当前用户/PrintHood

　　28 C:/Documents and Settings/当前用户/Local Settings/Application Data

　　31 C:/Documents and Settings/All Users/Favorites

　　32 C:/Documents and Settings/当前用户/Local Settings/Temporary Internet Files

　　33 C:/Documents and Settings/当前用户/Cookies

　　34 C:/Documents and Settings/当前用户/Local Settings/History

　　35 C:/Documents and Settings/All Users/Application Data

　　36 C:/WINDOWS

　　37 C:/WINDOWS/system32

　　38 C:/Program Files

　　39 C:/Documents and Settings/当前用户/My Documents/My Pictures

　　40 C:/Documents and Settings/当前用户

　　43 C:/Program Files/Common Files

　　45 C:/Documents and Settings/All Users/Templates

　　46 C:/Documents and Settings/All Users/Documents

　　47 C:/Documents and Settings/All Users/「开始」菜单/程序/管理工具

　　48 C:/Documents and Settings/当前用户/「开始」菜单/程序/管理工具

　　53 C:/Documents and Settings/All Users/Documents/My Music

　　54 C:/Documents and Settings/All Users/Documents/My Pictures

　　55 C:/Documents and Settings/All Users/Documents/My Videos

　　56 C:/WINDOWS/resources

　　59 C:/Documents and Settings/当前用户/Local Settings/Application Data/Microsoft/CD Burning