CControlPanelEnum Class Reference

Inheritance diagram for CControlPanelEnum:

Collaboration diagram for CControlPanelEnum:

Public Member Functions
	CControlPanelEnum ()
	~CControlPanelEnum ()
HRESULT WINAPI	Initialize (DWORD dwFlags, IEnumIDList *pRegEnumerator)
BOOL	RegisterCPanelApp (LPCWSTR path)
int	RegisterRegistryCPanelApps (HKEY hkey_root, LPCWSTR szRepPath)
BOOL	CreateCPanelEnumList (DWORD dwFlags)
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 30 of file CControlPanelFolder.cpp.

Constructor & Destructor Documentation

CControlPanelEnum()

CControlPanelEnum::CControlPanelEnum

(

)

Definition at line 57 of file CControlPanelFolder.cpp.

{
}

~CControlPanelEnum()

CControlPanelEnum::~CControlPanelEnum

(

)

Definition at line 61 of file CControlPanelFolder.cpp.

{
}

Member Function Documentation

CreateCPanelEnumList()

BOOL CControlPanelEnum::CreateCPanelEnumList

(

DWORD

dwFlags

)

Definition at line 209 of file CControlPanelFolder.cpp.

{
    WCHAR szPath[MAX_PATH];
    WIN32_FIND_DATAW wfd;
    HANDLE hFile;

    TRACE("(%p)->(flags=0x%08x)\n", this, dwFlags);

    /* enumerate the control panel applets */
    if (dwFlags & SHCONTF_NONFOLDERS)
    {
        LPWSTR p;

        GetSystemDirectoryW(szPath, MAX_PATH);
        p = PathAddBackslashW(szPath);
        wcscpy(p, L"*.cpl");

        hFile = FindFirstFileW(szPath, &wfd);

        if (hFile != INVALID_HANDLE_VALUE)
        {
            do
            {
                if (!(dwFlags & SHCONTF_INCLUDEHIDDEN) && (wfd.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN))
                    continue;

                if (!(wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
                    wcscpy(p, wfd.cFileName);
                    if (wcscmp(wfd.cFileName, L"ncpa.cpl"))
                        RegisterCPanelApp(szPath);
                }
            } while(FindNextFileW(hFile, &wfd));
            FindClose(hFile);
        }

        RegisterRegistryCPanelApps(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Control Panel\\Cpls");
        RegisterRegistryCPanelApps(HKEY_CURRENT_USER, L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Control Panel\\Cpls");
    }
    return TRUE;
}

Referenced by Initialize().

Initialize()

HRESULT WINAPI CControlPanelEnum::Initialize	(	DWORD	dwFlags,
		IEnumIDList *	pRegEnumerator
	)

Definition at line 65 of file CControlPanelFolder.cpp.

{
    if (CreateCPanelEnumList(dwFlags) == FALSE)
        return E_FAIL;
    AppendItemsFromEnumerator(pRegEnumerator);
    return S_OK;
}

RegisterCPanelApp()

BOOL CControlPanelEnum::RegisterCPanelApp

(

LPCWSTR

path

)

Definition at line 144 of file CControlPanelFolder.cpp.

{
    CPlApplet* applet = Control_LoadApplet(0, wpath, NULL);
    int iconIdx;

    if (applet)
    {
        for (UINT i = 0; i < applet->count; ++i)
        {
            if (applet->info[i].idIcon > 0)
                iconIdx = -applet->info[i].idIcon; /* negative icon index instead of icon number */
            else
                iconIdx = 0;

            LPITEMIDLIST pidl = _ILCreateCPanelApplet(wpath, 
                                                      applet->info[i].name, 
                                                      applet->info[i].info, 
                                                      iconIdx);

            if (pidl)
                AddToEnumList(pidl);
        }
        Control_UnloadApplet(applet);
    }
    return TRUE;
}

Referenced by CreateCPanelEnumList(), and RegisterRegistryCPanelApps().

RegisterRegistryCPanelApps()

int CControlPanelEnum::RegisterRegistryCPanelApps	(	HKEY	hkey_root,
		LPCWSTR	szRepPath
	)

Definition at line 171 of file CControlPanelFolder.cpp.

{
    WCHAR name[MAX_PATH];
    WCHAR value[MAX_PATH];
    HKEY hkey;

    int cnt = 0;

    if (RegOpenKeyW(hkey_root, szRepPath, &hkey) == ERROR_SUCCESS)
    {
        int idx = 0;

        for(; ; idx++)
        {
            DWORD nameLen = MAX_PATH;
            DWORD valueLen = MAX_PATH;
            WCHAR buffer[MAX_PATH];

            if (RegEnumValueW(hkey, idx, name, &nameLen, NULL, NULL, (LPBYTE)&value, &valueLen) != ERROR_SUCCESS)
                break;

            if (ExpandEnvironmentStringsW(value, buffer, MAX_PATH))
            {
                wcscpy(value, buffer);
            }

            if (RegisterCPanelApp(value))
                ++cnt;
        }
        RegCloseKey(hkey);
    }

    return cnt;
}

Referenced by CreateCPanelEnumList().

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

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