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D2012LY 2012-12-19
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HRESULT SHILCreateFromPath( LPCWSTR pszPath,
PIDLIST_ABSOLUTE *ppidl,
DWORD *rgflnOut
要添加头文件吗，我的程序错误显示是未定义的标志符
赵4老师 2012-12-18
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SHGetSpecialFolderLocation
WINSHELLAPI HRESULT WINAPI SHGetSpecialFolderLocation(
HWND hwndOwner,
int nFolder,
LPITEMIDLIST *ppidl
);
Retrieves the PIDL of a special folder.
Returns NOERROR if successful, or an OLE-defined error result otherwise.
hwndOwner
Handle to the owner window the client should specify if it displays a dialog box or message box.
nFolder
Value specifying the folder for which to retrieve the location. This parameter can be one of the following values: CSIDL_ALTSTARTUP File system directory that corresponds to the user's nonlocalized Startup program group.
CSIDL_APPDATA File system directory that serves as a common repository for application-specific data.
CSIDL_BITBUCKET File system directory containing file objects in the user's Recycle Bin. The location of this directory is not in the registry; it is marked with the hidden and system attributes to prevent the user from moving or deleting it.
CSIDL_COMMON_ALTSTARTUP File system directory that corresponds to the nonlocalized Startup program group for all users.
CSIDL_COMMON_DESKTOPDIRECTORY File system directory that contains files and folders that appear on the desktop for all users.
CSIDL_COMMON_FAVORITES File system directory that serves as a common repository for all users' favorite items.
CSIDL_COMMON_PROGRAMS File system directory that contains the directories for the common program groups that appear on the Start menu for all users.
CSIDL_COMMON_STARTMENU File system directory that contains the programs and folders that appear on the Start menu for all users.
CSIDL_COMMON_STARTUP File system directory that contains the programs that appear in the Startup folder for all users.
CSIDL_CONTROLS Virtual folder containing icons for the Control Panel applications.
CSIDL_COOKIES File system directory that serves as a common repository for Internet cookies.
CSIDL_DESKTOP Windows Desktop—virtual folder at the root of the namespace.
CSIDL_DESKTOPDIRECTORY File system directory used to physically store file objects on the desktop (not to be confused with the desktop folder itself).
CSIDL_DRIVES My Computer—virtual folder containing everything on the local computer: storage devices, printers, and Control Panel. The folder may also contain mapped network drives.
CSIDL_FAVORITES File system directory that serves as a common repository for the user's favorite items.
CSIDL_FONTS Virtual folder containing fonts.
CSIDL_HISTORY File system directory that serves as a common repository for Internet history items.
CSIDL_INTERNET Virtual folder representing the Internet.
CSIDL_INTERNET_CACHE File system directory that serves as a common repository for temporary Internet files.
CSIDL_NETHOOD File system directory containing objects that appear in the network neighborhood.
CSIDL_NETWORK Network Neighborhood Folder—virtual folder representing the top level of the network hierarchy.
CSIDL_PERSONAL File system directory that serves as a common repository for documents.
CSIDL_PRINTERS Virtual folder containing installed printers.
CSIDL_PRINTHOOD File system directory that serves as a common repository for printer links.
CSIDL_PROGRAMS File system directory that contains the user's program groups (which are also file system directories).
CSIDL_RECENT File system directory that contains the user's most recently used documents.
CSIDL_SENDTO File system directory that contains Send To menu items.
CSIDL_STARTMENU File system directory containing Start menu items.
CSIDL_STARTUP File system directory that corresponds to the user's Startup program group. The system starts these programs whenever any user logs onto Windows NT or starts Windows 95.
CSIDL_TEMPLATES File system directory that serves as a common repository for document templates.
ppidl
Address of a pointer to an item identifier list specifying the folder's location relative to the root of the namespace (the desktop). The calling application is responsible for freeing this pointer with the shell'sIMalloc interface (see SHGetMalloc).
See also SHGetSpecialFolderPath
采石工 2012-12-18
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楼主可以参考下面两个函数：
SHBrowseForFolder
SHGetPathFromIDList
示例代码：
void CSampleDlg::OnBnClickedButton1()
{
// TODO: Add your control notification handler code here
TCHAR szPath[MAX_PATH];
ZeroMemory(szPath, sizeof(szPath));
LPITEMIDLIST pItemID;
SHILCreateFromPath(_T("D:\\"), &pItemID, NULL);
BROWSEINFO bi;
ZeroMemory(&bi,sizeof(BROWSEINFO));
bi.hwndOwner = m_hWnd;
bi.pidlRoot = pItemID;
bi.pszDisplayName = szPath;
bi.lpszTitle = _T("请选择目录：");
//弹出选择目录对话框
LPITEMIDLIST lp = SHBrowseForFolder(&bi);
if(lp && SHGetPathFromIDList(lp, szPath))
{
CString str;
str.Format(_T("选择的目录为 %s"), szPath);
AfxMessageBox(str);
}
else
{
AfxMessageBox(_T("无效的目录，请重新选择"));
}
CoInitialize(NULL);
HRESULT hr;
IMalloc * pMalloc = NULL;
hr = SHGetMalloc(&pMalloc);
if(FAILED(hr))
{
AfxMessageBox(_T("系统函数调用出错"));
}
//利用IMalloc释放ITEMIDLIST
pMalloc->Free((void*)lp);
lp = NULL;
pMalloc->Release();
pMalloc = NULL;
}
珍惜生命远离CPP 2012-12-18
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HRESULT SHGetFolderPath( HWND hwndOwner,
int nFolder,
HANDLE hToken,
DWORD dwFlags,
LPTSTR pszPath
);
