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UOPValid Method

 
Microsoft DirectShow 9.0

UOPValid Method

This component is available for use in the Microsoft Windows 2000, Windows XP, and Windows Server 2003 operating systems. It may be altered or unavailable in subsequent versions.

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.