windows API编程第二天2015.11.15

 1 #include <windows.h>
 2 /*
 3 Get System Infomation and Copy to a File
 4 */
 5 int main(int argc, TCHAR argv [])
 6 {
 7     // File Handle
 8     HANDLE hFile;
 9     DWORD dwWritten;
10     // Char Array to Store the Path of the System Infomation
11     TCHAR szSystemDir [MAX_PATH];
12     //Get System Directory
13     GetSystemDirectory(szSystemDir, MAX_PATH);
14 
15     //Creat File SystemRoot.txt
16     hFile = CreateFile(
17         "SystemRoot.txt",
18         GENERIC_WRITE,
19         0,NULL,CREATE_ALWAYS,
20         FILE_ATTRIBUTE_NORMAL,
21         NULL
22         );
23     if (hFile != INVALID_HANDLE_VALUE)
24     {
25         //Write the System Infomation to the File SystemRoot.txt
26         if (!WriteFile(hFile, szSystemDir, lstrlen(szSystemDir), &dwWritten, NULL));
27         {
28             return GetLastError();
29         }
30     }
31     //Close the File
32     CloseHandle(hFile);
33     return 0;
34 }