在Windows上,可以使用<ul class="nav nav-tabs nav-justified">
<li>..</li>
..
或SHGetKnownFolderPath
获取任何特殊的文件夹路径(如果我记得最后一个)。但是,我想反过来,我有一个路径,想要知道它属于哪个特殊文件夹,如果有的话。我更喜欢这种方法,因为要查明给定路径是否在特定的特殊文件夹中,我必须枚举所有用户的所有特殊文件夹,这有点难看,但如果没有别的办法,天空是限制:)
我搜索了它但找不到任何有用的东西。那么WinApi有这样的功能吗?
感谢。
答案 0 :(得分:4)
您可以使用IKnownFolderManager::FindFolderFromPath
自Vista以来可用。
PS:查看CComPtr<>
类,以便更简单地与COM接口。
以下是我刚刚编写的一个示例,展示了如何使用它:
#include <atlsafe.h>
#include <Shobjidl.h>
#include <comdef.h>
void PrintKnownFolder( const CComPtr<IKnownFolder>& folder )
{
KNOWNFOLDER_DEFINITION def;
HRESULT hr = folder->GetFolderDefinition( &def );
if( SUCCEEDED(hr) ) {
std::wcout << L"Result: " << def.pszName << std::endl;
FreeKnownFolderDefinitionFields( &def );
} else {
_com_error err(hr);
std::wcout << L"Error while querying GetFolderDefinition: " << err.ErrorMessage() << std::endl;
}
}
class CCoInitialize
{
public:
CCoInitialize() : m_hr(CoInitialize(NULL)) { }
~CCoInitialize() { if (SUCCEEDED(m_hr)) CoUninitialize(); }
operator HRESULT() const { return m_hr; }
private:
HRESULT m_hr;
};
bool test()
{
CCoInitialize co;
CComPtr<IKnownFolderManager> knownFolderManager;
HRESULT hr = knownFolderManager.CoCreateInstance( CLSID_KnownFolderManager );
if( !SUCCEEDED(hr) ) {
_com_error err(hr);
std::wcout << L"Error while creating KnownFolderManager: " << err.ErrorMessage() << std::endl;
return false;
}
CComPtr<IKnownFolder> folder;
hr = knownFolderManager->FindFolderFromPath( L"C:\\Users\\All Users\\Microsoft", FFFP_NEARESTPARENTMATCH, &folder );
if( SUCCEEDED(hr) ) {
PrintKnownFolder(folder);
} else {
_com_error err(hr);
std::wcout << L"Error while querying KnownFolderManager for nearest match: " << err.ErrorMessage() << std::endl;
}
// dispose it.
folder.Attach( NULL );
hr = knownFolderManager->FindFolderFromPath( L"C:\\Users\\All Users\\Microsoft", FFFP_EXACTMATCH, &folder );
if( SUCCEEDED(hr) ) {
PrintKnownFolder(folder);
} else {
_com_error err(hr);
std::wcout << L"Error while querying KnownFolderManager for exact match: " << err.ErrorMessage() << std::endl;
}
return true;
}