| Microsoft DirectX 8.1 (C++) |
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.