CPrintersEnum Class Reference

Inheritance diagram for CPrintersEnum:

Collaboration diagram for CPrintersEnum:

Public Member Functions
	CPrintersEnum ()
	~CPrintersEnum ()
HRESULT WINAPI	Initialize (HWND hwndOwner, DWORD dwFlags)
BOOL	CreatePrintersEnumList (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)
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 ()

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 70 of file CPrinterFolder.cpp.

Constructor & Destructor Documentation

CPrintersEnum()

CPrintersEnum::CPrintersEnum

(

)

Definition at line 83 of file CPrinterFolder.cpp.

{
}

~CPrintersEnum()

CPrintersEnum::~CPrintersEnum

(

)

Definition at line 87 of file CPrinterFolder.cpp.

{
}

Member Function Documentation

CreatePrintersEnumList()

BOOL CPrintersEnum::CreatePrintersEnumList

(

DWORD

dwFlags

)

Definition at line 157 of file CPrinterFolder.cpp.

{
    BOOL ret = TRUE;
 
    TRACE("(%p)->(flags=0x%08lx) \n", this, dwFlags);
 
    /* enumerate the folders */
    if (dwFlags & SHCONTF_NONFOLDERS)
    {
        DWORD needed = 0, num = 0, i;
        PRINTER_INFO_4W *pi;
 
        EnumPrintersW(PRINTER_ENUM_LOCAL, NULL, 4, NULL, 0, &needed, &num);
        if (!needed)
            return ret;
 
        pi = (PRINTER_INFO_4W *)HeapAlloc(GetProcessHeap(), 0, needed);
        if(!EnumPrintersW(PRINTER_ENUM_LOCAL, NULL, 4, (LPBYTE)pi, needed, &needed, &num)) {
            HeapFree(GetProcessHeap(), 0, pi);
            return FALSE;
        }
 
        for(i = 0; i < num; i++) {
            LPITEMIDLIST pidl = _ILCreatePrinterItem(&pi[i]);
            if (pidl)
            {
                if (!AddToEnumList(pidl))
                    SHFree(pidl);
            }
        }
        HeapFree(GetProcessHeap(), 0, pi);
    }
    return ret;
}

Referenced by Initialize().

Initialize()

HRESULT WINAPI CPrintersEnum::Initialize	(	HWND	hwndOwner,
		DWORD	dwFlags
	)

Definition at line 91 of file CPrinterFolder.cpp.

{
    if (CreatePrintersEnumList(dwFlags) == FALSE)
        return E_FAIL;
    return S_OK;
}

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

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