Microsoft DirectX 9.0


Note   The IDvdControl interface is deprecated. Use IDvdControl2 instread.

Selects the new subpicture stream and enables or disables it for display.


HRESULT SubpictureStreamChange(
    ULONG nSubPicture,
    BOOL bDisplay



Value that specifies the source of the subpicture, which must be from 0 through 32, or 63.

Value Description
0-31 Indicates that the stream is valid.
32 Enables you to toggle the display without changing the current stream (that is, change bDisplay without altering the current stream).
63 Indicates that the stream is the dummy stream.


Value that specifies whether the subpicture is enabled; TRUE makes the subpicture visible and FALSE hides it.

Return Value

Returns an HRESULT value.


This method returns an error unless the domain is DVD_DOMAIN_VideoManagerMenu, DVD_DOMAIN_VideoTitleSetMenu, DVD_DOMAIN_Title, or DVD_DOMAIN_Stop. For more information, see DVD_DOMAIN.

See Also