IWMLanguageList::AddLanguageByRFC1766String method (wmsdkidl.h)

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4/26/2023

[The feature associated with this page, Windows Media Format 11 SDK, is a legacy feature. It has been superseded by Source Reader and Sink Writer. Source Reader and Sink Writer have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use Source Reader and Sink Writer instead of Windows Media Format 11 SDK, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

The AddLanguageByRFC1766String method adds an entry to the list of supported languages for a file based upon a language tag compliant with RFC 1766.

Syntax

HRESULT AddLanguageByRFC1766String(
  [in]  LPCWSTR_WMSDK_TYPE_SAFE pwszLanguageString,
  [out] WORD                    *pwIndex
);

Parameters

[in] pwszLanguageString

Pointer to a wide-character null-terminated string containing an RFC 1766-compliant language tag.

[out] pwIndex

Pointer to a WORD. On output, this will be set to the index assigned to the added language entry.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.

Remarks

For a list of common RFC 1766-compliant language identifiers, see Language Strings.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only],Windows Media Format 9 Series SDK, or later versions of the SDK
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	wmsdkidl.h (include Wmsdk.h)
Library	Wmvcore.lib; WMStubDRM.lib (if you use DRM)

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