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IWICComponentFactory::CreateQueryReaderFromBlockReader method

Creates a IWICMetadataQueryReader from the given IWICMetadataBlockReader.

Syntax


HRESULT CreateQueryReaderFromBlockReader(
  [in]   IWICMetadataBlockReader *pIBlockReader,
  [out]  IWICMetadataQueryReader **ppIQueryReader
);

Parameters

pIBlockReader [in]

Type: IWICMetadataBlockReader*

Pointer to the block reader to base the query reader on.

ppIQueryReader [out]

Type: IWICMetadataQueryReader**

A pointer that receives a pointer to the new metadata query reader.

Return value

Type: HRESULT

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

Requirements

Minimum supported client

Windows XP with SP2, Windows Vista [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2008 [desktop apps | Windows Store apps]

Header

Wincodecsdk.h

IDL

Wincodecsdk.idl

Library

Windowscodecs.lib

DLL

Windowscodecs.dll

 

 

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