Microsoft DirectX 8.1 (C++)

UOPValid Method

The UOPValid method retrieves a value that indicates whether the specified user operation (UOP) is currently valid.

Syntax

[ bIsValid = ] MSWebDVD.UOPValid(iUOP);

Parameters

iUOP

Specifies the user operation (UOP) as an Integer.

Value Description
0 PlayTitle, PlayAtTime PlayAtTimeInTitle
1 PlayChapter
2 PlayTitle
3 Stop
4 ReturnFromSubmenu
5 PlayChapter
6 PlayPrevChapter, ReplayChapter
7 PlayNextChapter
8 PlayForwards
9 PlayBackwards
10 ShowMenu with a parameter value of 2 (DVD_MENU_Title)
11 ShowMenu with a parameter value of 3 (DVD_MENU_Root)
12 ShowMenu with a parameter value of 4 (DVD_MENU_Subpicture)
13 ShowMenu with a parameter value of 5 (DVD_MENU_Audio)
14 ShowMenu with a parameter value of 6 (DVD_MENU_Angle)
15 ShowMenu with a parameter value of 7 (DVD_MENU_Chapter)
16 Resume
17 SelectLeftButton, SelectRightButton,SelectUpperButton,SelectLowerButton
18 StillOff
19 Pause
20 CurrentAudioStream
21 CurrentSubpictureStream
22 CurrentAngle, SelectParentalLevel
23 KaraokeAudioPresentationMode
24 Select video mode preference.

Return Values

Returns a Boolean value indicating whether the specified operation is permitted by UOP control.