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IDvdInfo::GetNumberOfChapters method (strmif.h)

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[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

Note  The IDvdInfo interface is deprecated. Use IDvdInfo2 instead.
 
Retrieves the number of chapters that are defined for a given title.

Syntax

HRESULT GetNumberOfChapters(
  [in]  ULONG ulTitle,
  [out] ULONG *pulNumberOfChapters
);

Parameters

[in] ulTitle

Title for which to retrieve the number of chapters.

[out] pulNumberOfChapters

Pointer to the retrieved number of chapters for the specified title.

Return value

Returns an HRESULT value.

Return code Description
E_UNEXPECTED
 DVD is not initialized or domain is not DVD_DOMAIN_Title.
S_OK
 Success.
VFW_E_DVD_INVALIDDOMAIN
 Requested action is not supported on this domain (DVD_DOMAIN).
VFW_E_DVD_OPERATION_INHIBITED
 Requested action cannot occur at this point in the movie due to the authoring of the current DVD-Video disc.

Remarks

This method is valid in any domain. For more information, see DVD_DOMAIN.

Requirements

Requirement Value
Target Platform Windows
Header strmif.h (include Dshow.h)

See also

Error and Success Codes

IDvdInfo Interface