CRegFolderEnum Class Reference

Inheritance diagram for CRegFolderEnum:

Collaboration diagram for CRegFolderEnum:

Public Member Functions
	CRegFolderEnum ()
	~CRegFolderEnum ()
HRESULT	Initialize (LPCWSTR lpszEnumKeyName, DWORD dwFlags)
HRESULT	AddItemsFromKey (HKEY hkey_root, LPCWSTR szRepPath)
Public Member Functions inherited from CEnumIDListBase
	CEnumIDListBase ()
virtual	~CEnumIDListBase ()
BOOL	AddToEnumList (LPITEMIDLIST pidl)
BOOL	DeleteList ()
BOOL	HasItemWithCLSID (LPITEMIDLIST pidl)
HRESULT	AppendItemsFromEnumerator (IEnumIDList *pEnum)
virtual HRESULT STDMETHODCALLTYPE	Next (ULONG celt, LPITEMIDLIST *rgelt, ULONG *pceltFetched)
virtual HRESULT STDMETHODCALLTYPE	Skip (ULONG celt)
virtual HRESULT STDMETHODCALLTYPE	Reset ()
virtual HRESULT STDMETHODCALLTYPE	Clone (IEnumIDList **ppenum)
Public Member Functions inherited from ATL::CComObjectRootEx< CComMultiThreadModelNoCS >
	~CComObjectRootEx ()
ULONG	InternalAddRef ()
ULONG	InternalRelease ()
void	Lock ()
void	Unlock ()
HRESULT	_AtlInitialConstruct ()
Public Member Functions inherited from ATL::CComObjectRootBase
	CComObjectRootBase ()
	~CComObjectRootBase ()
void	SetVoid (void *)
HRESULT	_AtlFinalConstruct ()
HRESULT	FinalConstruct ()
void	InternalFinalConstructAddRef ()
void	InternalFinalConstructRelease ()
void	FinalRelease ()
Public Member Functions inherited from IEnumIDList
HRESULT	Next ([in] ULONG celt, [out, size_is(celt), length_is(*pceltFetched)] PITEMID_CHILD *rgelt, [out] ULONG *pceltFetched)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()

Additional Inherited Members
Public Types inherited from IEnumIDList
typedef IEnumIDList *	LPENUMIDLIST
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN
Static Public Member Functions inherited from ATL::CComObjectRootBase
static void WINAPI	ObjectMain (bool)
static const struct _ATL_CATMAP_ENTRY *	GetCategoryMap ()
static HRESULT WINAPI	InternalQueryInterface (void *pThis, const _ATL_INTMAP_ENTRY *pEntries, REFIID iid, void **ppvObject)
Public Attributes inherited from ATL::CComObjectRootBase
LONG	m_dwRef

Detailed Description

Definition at line 203 of file CRegFolder.cpp.

Constructor & Destructor Documentation

CRegFolderEnum()

CRegFolderEnum::CRegFolderEnum

(

)

Definition at line 217 of file CRegFolder.cpp.

{
}

~CRegFolderEnum()

CRegFolderEnum::~CRegFolderEnum

(

)

Definition at line 221 of file CRegFolder.cpp.

{
}

Member Function Documentation

AddItemsFromKey()

HRESULT CRegFolderEnum::AddItemsFromKey	(	HKEY	hkey_root,
		LPCWSTR	szRepPath
	)

Definition at line 243 of file CRegFolder.cpp.

{
    WCHAR name[MAX_PATH];
    HKEY hkey;

    if (RegOpenKeyW(hkey_root, szRepPath, &hkey) != ERROR_SUCCESS)
        return S_FALSE;

    for (int idx = 0; ; idx++)
    {
        if (RegEnumKeyW(hkey, idx, name, MAX_PATH) != ERROR_SUCCESS)
            break;

        /* If the name of the key is not a guid try to get the default value of the key */
        if (name[0] != L'{')
        {
            DWORD dwSize = sizeof(name);
            RegGetValueW(hkey, name, NULL, RRF_RT_REG_SZ, NULL, name, &dwSize);
        }

        if (*name == '{')
        {
            LPITEMIDLIST pidl = _ILCreateGuidFromStrW(name);

            if (pidl)
                AddToEnumList(pidl);
        }
    }

    RegCloseKey(hkey);

    return S_OK;
}

Referenced by Initialize().

Initialize()

HRESULT CRegFolderEnum::Initialize	(	LPCWSTR	lpszEnumKeyName,
		DWORD	dwFlags
	)

Definition at line 225 of file CRegFolder.cpp.

{
    WCHAR KeyName[MAX_PATH];
    static const WCHAR KeyNameFormat[] = L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\%s\\Namespace";

    if (!(dwFlags & SHCONTF_FOLDERS))
        return S_OK;

    HRESULT hr = StringCchPrintfW(KeyName, MAX_PATH, KeyNameFormat, lpszEnumKeyName);
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;

    AddItemsFromKey(HKEY_LOCAL_MACHINE, KeyName);
    AddItemsFromKey(HKEY_CURRENT_USER, KeyName);

    return S_OK;
}

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The documentation for this class was generated from the following file:

• dll/win32/shell32/folders/CRegFolder.cpp