有VC的代码可以供你参考一下:#include <shlobj.h>void EnumerateFolder(LPCTSTR path) { HRESULT hr; // COM result, you'd better examine it in your code! hr = CoInitialize(NULL); // initialize COM // NOTE: usually COM would be initialized just once in your main() LPMALLOC pMalloc = NULL; // memory manager, for freeing up PIDLs hr = SHGetMalloc(&pMalloc); LPSHELLFOLDER psfDesktop = NULL; // namespace root for parsing the path hr = SHGetDesktopFolder(&psfDesktop); // IShellFolder::ParseDisplayName requires the path name in Unicode. OLECHAR olePath[MAX_PATH]; // wide-char version of path name MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, path, -1, olePath, MAX_PATH); // parse path for absolute PIDL, and connect to target folder LPITEMIDLIST pidl = NULL; // general purpose hr = psfDesktop->ParseDisplayName(NULL, NULL, olePath, NULL, &pidl, NULL); LPSHELLFOLDER psfFolder = NULL; hr = psfDesktop->BindToObject(pidl, NULL, IID_IShellFolder, (void**)&psfFolder); psfDesktop->Release(); // no longer required pMalloc->Free(pidl); LPENUMIDLIST penumIDL = NULL; // IEnumIDList interface for reading contents hr = psfFolder->EnumObjects(NULL, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS, &penumIDL); while(1) { // retrieve a copy of next local item ID list hr = penumIDL->Next(1, &pidl, NULL); if(hr == NOERROR) { WIN32_FIND_DATA ffd; // let's cheat a bit :) hr = SHGetDataFromIDList(psfFolder, pidl, SHGDFIL_FINDDATA, &ffd, sizeof(WIN32_FIND_DATA)); cout << "Name = " << ffd.cFileName << endl; cout << "Type = " << ( (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? "dir\n" : "file\n" ); cout << "Size = " << ffd.nFileSizeLow << endl;
pMalloc->Free(pidl); } // the expected "error" is S_FALSE, when the list is finished else break; } // release all remaining interface pointers penumIDL->Release(); psfFolder->Release(); pMalloc->Release(); CoUninitialize(); // shut down COM }
我也看了,是想找段源码参考一下,谢谢,我再试试
{
HRESULT hr; // COM result, you'd better examine it in your code!
hr = CoInitialize(NULL); // initialize COM
// NOTE: usually COM would be initialized just once in your main() LPMALLOC pMalloc = NULL; // memory manager, for freeing up PIDLs
hr = SHGetMalloc(&pMalloc); LPSHELLFOLDER psfDesktop = NULL; // namespace root for parsing the path
hr = SHGetDesktopFolder(&psfDesktop); // IShellFolder::ParseDisplayName requires the path name in Unicode.
OLECHAR olePath[MAX_PATH]; // wide-char version of path name
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, path, -1, olePath, MAX_PATH); // parse path for absolute PIDL, and connect to target folder
LPITEMIDLIST pidl = NULL; // general purpose
hr = psfDesktop->ParseDisplayName(NULL, NULL, olePath, NULL, &pidl, NULL);
LPSHELLFOLDER psfFolder = NULL;
hr = psfDesktop->BindToObject(pidl, NULL, IID_IShellFolder,
(void**)&psfFolder);
psfDesktop->Release(); // no longer required
pMalloc->Free(pidl); LPENUMIDLIST penumIDL = NULL; // IEnumIDList interface for reading contents
hr = psfFolder->EnumObjects(NULL, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS,
&penumIDL);
while(1) {
// retrieve a copy of next local item ID list
hr = penumIDL->Next(1, &pidl, NULL);
if(hr == NOERROR) {
WIN32_FIND_DATA ffd; // let's cheat a bit :)
hr = SHGetDataFromIDList(psfFolder, pidl, SHGDFIL_FINDDATA, &ffd,
sizeof(WIN32_FIND_DATA)); cout << "Name = " << ffd.cFileName << endl;
cout << "Type = " << ( (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
? "dir\n" : "file\n" );
cout << "Size = " << ffd.nFileSizeLow << endl;
pMalloc->Free(pidl);
}
// the expected "error" is S_FALSE, when the list is finished
else break;
} // release all remaining interface pointers
penumIDL->Release();
psfFolder->Release();
pMalloc->Release(); CoUninitialize(); // shut down COM
}