CRegFolderEnum Class Reference

Inheritance diagram for CRegFolderEnum:

Collaboration diagram for CRegFolderEnum:

Public Member Functions
HRESULT	Initialize (const REGFOLDERINFO *pInfo, IShellFolder *pSF, DWORD dwFlags)
HRESULT	AddItemsFromKey (IShellFolder *pSF, HKEY hkey_root, LPCWSTR szRepPath)
const CLSID *	GetPidlClsid (PCUITEMID_CHILD pidl)
BOOL	HasItemWithCLSID (LPCITEMIDLIST pidl)
Public Member Functions inherited from CEnumIDListBase
	CEnumIDListBase ()
virtual	~CEnumIDListBase ()
BOOL	AddToEnumList (LPITEMIDLIST pidl)
BOOL	DeleteList ()
BOOL	HasItemWithCLSID (LPITEMIDLIST pidl)
HRESULT	AppendItemsFromEnumerator (IEnumIDList *pEnum)
template<class T >
BOOL	HasItemWithCLSIDImpl (LPCITEMIDLIST pidl)
STDMETHOD()	Next (ULONG celt, LPITEMIDLIST *rgelt, ULONG *pceltFetched) override
STDMETHOD()	Skip (ULONG celt) override
STDMETHOD()	Reset () override
STDMETHOD()	Clone (IEnumIDList **ppenum) override
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)
HRESULT	Skip ([in] ULONG celt)
HRESULT	Reset ()
HRESULT	Clone ([out] IEnumIDList **ppenum)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()
Public Member Functions inherited from CRegFolderInfo
void	InitializeFolderInfo (const REGFOLDERINFO *pInfo)
const CLSID *	IsRegItem (LPCITEMIDLIST pidl) const
LPITEMIDLIST	CreateItem (size_t i) const
LPCWSTR	GetParsingPath () const
UINT	GetCLSIDOffset () const
PIDLTYPE	GetPidlType () const
UINT	GetRequiredItemsCount () const
const REQUIREDREGITEM &	GetAt (size_t i) const

Private Attributes
SHCONTF	m_SHCTF

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
Public Attributes inherited from CRegFolderInfo
const REGFOLDERINFO *	m_pInfo
Protected Attributes inherited from CEnumIDListBase
ENUMLIST *	mpFirst
ENUMLIST *	mpLast
ENUMLIST *	mpCurrent

Detailed Description

Definition at line 213 of file CRegFolder.cpp.

Member Function Documentation

AddItemsFromKey()

HRESULT CRegFolderEnum::AddItemsFromKey	(	IShellFolder *	pSF,
		HKEY	hkey_root,
		LPCWSTR	szRepPath
	)

Definition at line 259 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 == '{')
        {
            if (LPITEMIDLIST pidl = CreateRegItem(GetPidlType(), name))
            {
                SFGAOF query = SHELL_CreateFolderEnumItemAttributeQuery(m_SHCTF, TRUE);
                if (SHELL_IncludeItemInFolderEnum(pSF, pidl, query, m_SHCTF) && !HasItemWithCLSID(pidl))
                    AddToEnumList(pidl);
                else
                    ILFree(pidl);
            }
        }
    }
    RegCloseKey(hkey);
 
    return S_OK;
}

Referenced by Initialize().

GetPidlClsid()

const CLSID * CRegFolderEnum::GetPidlClsid ( PCUITEMID_CHILD  pidl )

inline

Definition at line 222 of file CRegFolder.cpp.

{ return IsRegItem(pidl); }

HasItemWithCLSID()

BOOL CRegFolderEnum::HasItemWithCLSID ( LPCITEMIDLIST  pidl )

inline

Definition at line 223 of file CRegFolder.cpp.

{ return HasItemWithCLSIDImpl<CRegFolderEnum>(pidl); }

Referenced by AddItemsFromKey().

Initialize()

HRESULT CRegFolderEnum::Initialize	(	const REGFOLDERINFO *	pInfo,
		IShellFolder *	pSF,
		DWORD	dwFlags
	)

Definition at line 230 of file CRegFolder.cpp.

{
    InitializeFolderInfo(pInfo);
    m_SHCTF = (SHCONTF)dwFlags;
    if (!(dwFlags & SHCONTF_FOLDERS))
        return S_OK;
 
    WCHAR KeyName[MAX_PATH];
    HRESULT hr = StringCchPrintfW(KeyName, _countof(KeyName),
                                  L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\%s\\Namespace",
                                  pInfo->pszEnumKeyName);
    if (FAILED_UNEXPECTEDLY(hr))
        return hr;
 
    // First add the required items and then the items from the registry
    SFGAOF query = SHELL_CreateFolderEnumItemAttributeQuery(m_SHCTF, TRUE);
    for (size_t i = 0; i < GetRequiredItemsCount(); ++i)
    {
        LPITEMIDLIST pidl = CreateItem(i);
        if (pidl && SHELL_IncludeItemInFolderEnum(pSF, pidl, query, m_SHCTF))
            AddToEnumList(pidl);
        else
            ILFree(pidl);
    }
    AddItemsFromKey(pSF, HKEY_LOCAL_MACHINE, KeyName);
    AddItemsFromKey(pSF, HKEY_CURRENT_USER, KeyName);
    return S_OK;
}

Member Data Documentation

m_SHCTF

SHCONTF CRegFolderEnum::m_SHCTF

private

Definition at line 217 of file CRegFolder.cpp.

Referenced by AddItemsFromKey(), and Initialize().

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

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