MSVidWebDVD.SubpictureOn Property

Article
01/07/2009

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

The SubpictureOn property sets and retrieves current subpicture state (either on or off).

VidWebDVD.SubpictureOn As Boolean

Parameters

This property takes no parameters.

Return Value

Returns a Boolean value indicating whether the subpicture is displayed.

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

Sub-picture_stream_Change

DVD_DOMAIN_VideoManagerMenu

DVD_DOMAIN_VideoTitleSetMenu

DVD_DOMAIN_Title

DVD_DOMAIN_Stop

Remarks

This property does not affect display of closed captions. Closed captions are embedded within the video stream. DVD subpictures are transported on a separate stream.

This property is read/write with a default value of False.

If the subpicture stream has been changed with CurrentSubpictureStream, this value will automatically toggle to True.

Examples

' Setting the property.
VidWebDVD.SubpictureOn = True
' Returning the property.
bSubOn = VidWebDVD.SubpictureOn

Requirements

Type Library	Use MS Video Control 1.0 Type Library and Microsoft Tuner 1.0 Type Library.
DLL	Requires Quartz.dll.

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