1 /*
2 获取系统目录，并保存在文件里
3 [peoject->set->link->project chose->subsystem:console]
4 */
5 #include<windows.h>
6 int main(int argc,TCHAR argv[])
7 {
8 //文件句柄
9 HANDLE hFile;
10 DWORD dwWritten;
11 //字符数组，用于存储系统目录
12 TCHAR szSystemDir[MAX_PATH];
13 //获取系统目录
14 GetSystemDirectory(szSystemDir,MAX_PATH);
15
16 //创建文件
17 hFile=CreateFile("systemroot.txt",
18 GENERIC_WRITE,
19 0,NULL,CREATE_ALWAYS,
20 FILE_ATTRIBUTE_NORMAL,
21 NULL);
22 //判断文件是否创建成功
23 if(hFile!= INVALID_HANDLE_VALUE)
24 {
25 //write systemRoot into file
26 if(!WriteFile(hFile,szSystemDir,lstrlen(szSystemDir),&dwWritten,NULL))
27 {
28 return GetLastError();
29 }
30 }
31 //close file and return
32 CloseHandle(hFile);
33 return 0;
34 }
