IWICMetadataBlockWriter::GetWriterByIndex method (wincodecsdk.h)

Retrieves the IWICMetadataWriter that resides at the specified index.

Syntax

HRESULT GetWriterByIndex(
  [in]  UINT               nIndex,
  [out] IWICMetadataWriter **ppIMetadataWriter
);

Parameters

[in] nIndex

Type: UINT

The index of the metadata writer to be retrieved. This index is zero-based.

[out] ppIMetadataWriter

Type: IWICMetadataWriter**

When this method returns, contains a pointer to the metadata writer that resides at the specified index.

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

See also

Conceptual

How to Write a WIC-Enabled CODEC

How-to: Re-encode a JPEG Image with Metadata

IWICMetadataBlockWriter

Other Resources

Overview of Reading and Writing Image Metadata

WIC Metadata Overview