IWICMetadataBlockReader::GetReaderByIndex method (wincodecsdk.h)

Retrieves an IWICMetadataReader for a specified top level metadata block.

Syntax

HRESULT GetReaderByIndex(
  [in]  UINT               nIndex,
  [out] IWICMetadataReader **ppIMetadataReader
);

[in] nIndex

Type: UINT

The index of the desired top level metadata block to retrieve.

[out] ppIMetadataReader

When this method returns, contains a pointer to the IWICMetadataReader specified by nIndex.

Type: HRESULT

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

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