Signals that the current user subpicture stream number has changed for the main title.
MediaPlayer_DVDNotify(Event, Param1, Param2)
Value that resolves to 261 if this event occurs.
DWORD value indicating the new user subpicture stream number. Subpicture stream numbers range from 0 to 31. The value 0xFFFFFFFF indicates that no stream is selected.
Subpictures are encoded graphics, such as subtitles or menus, that can be displayed over the top of the video.
The subpicture can change automatically with a navigation command authored on disc, as well as through application control by using the CurrentSubpictureStream property.
All domains raise this event. For more information on domains, see the CurrentDomain property.
For information on how to use this event code, see DVDNotify.
Version: Windows Media Player version 6.4.
Library: Use msdxm.ocx.
Platform: Windows 98 Second Edition or higher.