IWICMetadataBlockWriter::SetWriterByIndex method (wincodecsdk.h)
Replaces the metadata writer at the specified index location.
Syntax
HRESULT SetWriterByIndex(
[in] UINT nIndex,
[in] IWICMetadataWriter *pIMetadataWriter
);
Parameters
[in] nIndex
Type: UINT
The index position at which to place the metadata writer. This index is zero-based.
[in] pIMetadataWriter
Type: IWICMetadataWriter*
A pointer to the IWICMetadataWriter.
Return value
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
Typically, the current metadata writer at the specified index will be replaced with the new writer. However, the App0 metadata writer cannot be replaced within a JPEG stream.
This function cannot be used to add metadata writers. If no metadata writer exists at the specified index, the function will fail.
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
Other Resources