windows API编程第二天2015.11.15

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