MSVidWebDVD.SubpictureStreamsAvailable Property
Note 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.
VidWebDVD.SubpictureStreamsAvailable As Long
Parameters
This property takes no parameters.
Return Value
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. |
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 |
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.
Examples
' Returning the property.
lSubStreamsMax = VidWebDVD.SubpictureStreamsAvailable
Requirements
| Type Library | Use MS Video Control 1.0 Type Library and Microsoft Tuner 1.0 Type Library. |
| DLL | Requires Quartz.dll. |
See Also
MSVidWebDVD Object
Subpicture Streams: Controlling Subtitles
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Build date: 12/4/2008