nf-wincodec-wicmapschematoname.md

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NF:wincodec.WICMapSchemaToName	WICMapSchemaToName function (wincodec.h)	Obtains the name associated with a given schema.	WICMapSchemaToName WICMapSchemaToName function [Windows Imaging Component] _wic_codec_wicmapschematoname wic._wic_codec_wicmapschematoname wincodec/WICMapSchemaToName	wic\_wic_codec_wicmapschematoname.htm	wic	6e71b75a-a542-459c-9935-b05f3ce39217	12/05/2018	WICMapSchemaToName, WICMapSchemaToName function [Windows Imaging Component], _wic_codec_wicmapschematoname, wic._wic_codec_wicmapschematoname, wincodec/WICMapSchemaToName	wincodec.h		Windows	Windows XP with SP2, Windows Vista [desktop apps \| UWP apps]	Windows Server 2008 [desktop apps \| UWP apps]										Windowscodecs.lib	Windowscodecs.dll		Windows			19H1	WICMapSchemaToName wincodec/WICMapSchemaToName	c++	APIRef kbSyntax	DllExport	Windowscodecs.dll Windowscodecs.lib	WICMapSchemaToName

WICMapSchemaToName function

-description

Obtains the name associated with a given schema.

-parameters

-param guidMetadataFormat [in]

Type: REFGUID

The metadata format GUID.

-param pwzSchema [in]

Type: LPWSTR

The URI string of the schema for which the name is to be retrieved.

-param cchName [in]

Type: UINT

The size of the wzName buffer.

-param wzName [in, out]

Type: WCHAR*

A pointer to a buffer that receives the schema's name.

To obtain the required buffer size, call WICMapSchemaToName with cchName set to 0 and wzName set to NULL.

-param pcchActual [out]

Type: UINT

The actual buffer size needed to retrieve the entire schema name.

-returns

Type: HRESULT

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

-remarks

You can extend the schema name mapping by adding to the following registry key:

HKEY_CLASSES_ROOT
   CLSID
      {FAE3D380-FEA4-4623-8C75-C6B61110B681}
         Schemas
            BB5ACC38-F216-4CEC-A6C5-5F6E739763A9
               ...

For more information, see How to Write a WIC-Enabled Codec.