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IWICComponentFactory::CreateQueryReaderFromBlockReader method (wincodecsdk.h)

  • Article

Creates a IWICMetadataQueryReader from the given IWICMetadataBlockReader.

Syntax

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

Parameters

[in] pIBlockReader

Type: IWICMetadataBlockReader*

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

[out] ppIQueryReader

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

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