|Microsoft DirectX 9.0|
This topic applies to Windows XP Service Pack 1 only.
The ChangeCurrentSubpictureStream event is sent when the disc enables or disables changing the subpicture stream.
VidWebDVD_ChangeCurrentSubpictureStream( ByVal bEnabled As Boolean )
Boolean value indicating that the user can (True) or can't (False) change the current subpicture stream.
The command to enable or disable audio stream changes is encoded in the disc by its producers.