MSVidWebDVD.SubpictureStreamsAvailable Property

 
Microsoft DirectShow 9.0

MSVidWebDVD.SubpictureStreamsAvailable Property

This topic applies to Windows XP Service Pack 1 or later.

The SubpictureStreamsAvailable property retrieves the number of subpicture streams available in the current title.

Syntax

  VidWebDVD
  .SubpictureStreamsAvailable As Long

Parameters

This property takes no parameters.

Return Values

Returns a Long indicating the number of subpicture streams available.

Error Codes

If the property fails, Err.Number may be set to one of the following values.

Value Description
E_UNEXPECTED Unspecified error; possibly the graph has not been built.
VFW_E_DVD_INVALIDDOMAIN You attempted to take the value in a domain that does not support this property.

Remarks

This property is read-only with no default value.

Use this method to discover upper boundaries when querying each stream for its language attribute. When using this value, remember that stream numbering is zero-based. 

Example

' Returning the property.
lSubStreamsMax = VidWebDVD.SubpictureStreamsAvailable

Valid Domains

The following table shows the Annex J command name to which this method name corresponds, and the domains in which this method is valid.

Annex J Command Name Valid Domains
Sub-picture_Stream_Change DVD_DOMAIN_VideoManagerMenu
DVD_DOMAIN_VideoTitleSetMenu
DVD_DOMAIN_Title
DVD_DOMAIN_Stop

Requirements

Reference: Add a reference to MS Video Control 1.0 Type Library and Microsoft Tuner 1.0 Type Library.

Library: Quartz.dll.

See Also