SHGetSpecialFolderPath获取系统路径

SHGetSpecialFolderPath

该api用来获取指定的系统路径
API声明： function ulong SHGetSpecialFolderPath(long hwndOwner,ref string lpszPath,int nFolder,boolean fCreate ) LIBRARY "shell32.dll" ALIAS FOR "SHGetSpecialFolderPathA"
Function Long GetDesktopWindow() Library 'user32.dll'
hwndOwner ：可用GetDesktopWindow API取一个窗口句柄。或直接传null.
lpszPath：返回路径的缓冲区
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

实例
#include <shlobj.h>
#pragma comment(lib, "shell32.lib")
TCHAR szPath[MAX_PATH];
SHGetSpecialFolderPath(NULL,szPath,CSIDL_COMMON_DOCUMENTS, FALSE);

// szPath 就是对于这个函数MSDN:使用说明：这里面的CSIDL可能有些使用不正常，最好参考本地SHLOBJ.H文件里面的定义使用保证能using,:)
TCHAR szPath[MAX_PATH];
SHGetSpecialFolderPath(NULL,szPath,CSIDL_APPDATA,FALSE);
MessageBox(NULL,szPath,"当前用户配置路径",MB_ICONSTOP);