MSVidWebDVD.CurrentSubpictureStream Property
| Microsoft DirectShow 9.0 |
MSVidWebDVD.CurrentSubpictureStream Property
This topic applies to Windows XP Service Pack 1 or later.
The CurrentSubpictureStream property sets or retrieves the current subpicture stream.
Syntax
VidWebDVD .CurrentSubpictureStream As Long
Parameters
This property takes no parameters.
Return Values
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. |
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.
Example
' Setting the property. VidWebDVD.CurrentSubpictureStream = lNewStream ' Returning the property. lCurrStream = VidWebDVD.CurrentSubpictureStream
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