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IWICMetadataReaderInfo::MatchesPattern method (wincodecsdk.h)

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Determines if a stream contains a metadata item pattern.

Syntax

HRESULT MatchesPattern(
  [in]  REFGUID guidContainerFormat,
  [in]  IStream *pIStream,
  [out] BOOL    *pfMatches
);

Parameters

[in] guidContainerFormat

Type: REFGUID

The container format of the metadata item.

[in] pIStream

Type: IStream*

The stream to search for the metadata pattern.

[out] pfMatches

Type: BOOL*

Pointer that receives TRUE if the stream contains the pattern; otherwise, FALSE.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Requirement Value
Minimum supported client Windows XP with SP2, Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header wincodecsdk.h
Library Windowscodecs.lib
DLL Windowscodecs.dll