IWICMetadataQueryReader Interface Reference

Inheritance diagram for IWICMetadataQueryReader:

Collaboration diagram for IWICMetadataQueryReader:

Public Member Functions
HRESULT	GetContainerFormat ([out] GUID *pguidContainerFormat)
HRESULT	GetLocation ([in] UINT cchMaxLength, [in, out, unique, size_is(cchMaxLength)] WCHAR *wzNamespace, [out] UINT *pcchActualLength)
HRESULT	GetMetadataByName ([in] LPCWSTR wzName, [in, out, unique] PROPVARIANT *pvarValue)
HRESULT	GetEnumerator ([out] IEnumString **ppIEnumString)
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 IUnknown
typedef IUnknown *	LPUNKNOWN

Detailed Description

Definition at line 560 of file wincodec.idl.

Member Function Documentation

GetContainerFormat()

HRESULT IWICMetadataQueryReader::GetContainerFormat

(

[out] GUID *

pguidContainerFormat

)

GetEnumerator()

HRESULT IWICMetadataQueryReader::GetEnumerator

(

[out] IEnumString **

ppIEnumString

)

GetLocation()

HRESULT IWICMetadataQueryReader::GetLocation	(	[in] UINT	cchMaxLength,
		[in, out, unique, size_is(cchMaxLength)] WCHAR *	wzNamespace,
		[out] UINT *	pcchActualLength
	)

GetMetadataByName()

HRESULT IWICMetadataQueryReader::GetMetadataByName	(	[in] LPCWSTR	wzName,
		[in, out, unique] PROPVARIANT *	pvarValue
	)

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

• sdk/include/psdk/wincodec.idl