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UOPValid 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. See Remarks

Return Value

Returns TRUE if the specified user operation is currently valid, returns FALSE otherwise.

Remarks

The possible values of uUOP are as follows.

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

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