MSVidWebDVD.CurrentSubpictureStream Property

Article
2010-07-09

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

The CurrentSubpictureStream property sets or retrieves the current subpicture stream.

VidWebDVD.CurrentSubpictureStream As Long

Parameters

This property takes no parameters.

Return Value

This property returns a Long indicating the current subpicture stream number. Possible values include the following.

Value	Description
0-31	Subpicture stream
63	Muted low-bitrate stream

Error Codes

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

Value	Description
E_UNEXPECTED	Unspecified error.
CO_E_NOTINITIALIZED	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.
VFW_E_DVD_OPERATION_INHIBITED	This user operation is prevented by UOP command.
E_INVALIDARG	Invalid stream number entered.

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 is read/write and defaults to 0 (zero). Before setting a new subpicture stream, call IsSubpictureStreamEnabled to verify that the stream is available.

Setting this property causes the SubpictureOn property to toggle to True.

Examples

' Setting the property.
VidWebDVD.CurrentSubpictureStream = lNewStream
' Returning the property.
lCurrStream = VidWebDVD.CurrentSubpictureStream

Requirements

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

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