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This method retrieves a value that indicates whether the specified user operation is currently valid.
Syntax
MediaPlayer.DVD.UOPValid(uUOP)
Parameters
uUOP
ULONG value that specifies the user operation whose validity is being checked. It can have one of the following possible values.
Value | User Function |
0 | TimePlay, TimeSearch |
1 | ChapterPlay, ChapterSearch |
2 | TitlePlay |
3 | Stop |
4 | GoUp in TT_DOM domain, GoUp in Menu-space domain |
5 | TimeSearch, ChapterSearch |
6 | PrevPGSearch, TopPGSearch |
7 | NextPGSearch |
8 | ForwardScan |
9 | BackwardScan |
10 | MenuCall with a parameter value of 2 (Title Menu) |
11 | MenuCall with a parameter value of 3 (Root Menu) |
12 | MenuCall with a parameter value of 4 (Sub-picture Menu) |
13 | MenuCall with a parameter value of 5 (Audio Menu) |
14 | MenuCall with a parameter value of 6 (Angle Menu) |
15 | MenuCall with a parameter value of 7 (Chapter Menu) |
16 | ResumeFromMenu |
17 | UpperButtonSelect, LowerButtonSelect, LeftButtonSelect, RightButtonSelect, ButtonActivate, ButtonSelectAndActivate |
18 | StillOff |
19 | Pause |
20 | EC_DVD_AUDIO_STREAM_CHANGE |
21 | EC_DVD_SUBPICTURE_STREAM_CHANGE |
22 | EC_DVD_ANGLE_CHANGE |
Return Value
Returns a Boolean containing one of the following values.
Value | Description |
true | The specified user operation is currently valid. |
false | The specified user operation is currently invalid. |
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