>>406 >>407
なかなか良くできているじゃないか．

まず，Scene の Element「X」 の Text には %VOLM をセットしておいた方が良い．
そうすれば，Show Scene したときに現在のボリューム値が最初から表示される．

Task の方はリファクタしただけだが，下記のように組むかな．

CTRL_1 (147)
Abort Existing Task
A1: If [ %volume_step Set ]
A2: Goto [ Type:Action Label Number:1 Label:WAIT ] If [ %event_type eq Stroke ]
A3: Variable Set [ Name:%volume_change To:%VOLM %element_name %volume_step Recurse Variables:Off Do Maths:On Append:Off ]
A4: Variable Set [ Name:%volume_change To:0 Recurse Variables:Off Do Maths:Off Append:Off ] If [ %volume_change < 0 ]
A5: Variable Set [ Name:%volume_change To:15 Recurse Variables:Off Do Maths:Off Append:Off ] If [ %volume_change > 15 ]
A6: Media Volume [ Level:%volume_change Display:Off Sound:Off ]
A7: Element Text [ Scene Name:%scene_name Element:X Position:Replace Existing Text:%VOLM Selection: ]
A8: Else If [ %event_type eq Click ]
A9: Element Text [ Scene Name:%scene_name Element:+ Position:Replace Existing Text:＋ Selection: ]
A10: Element Text [ Scene Name:%scene_name Element:- Position:Replace Existing Text:− Selection: ]
A11: Variable Set [ Name:%volume_step To:1 Recurse Variables:Off Do Maths:On Append:Off ]
A12: Else
A13: Element Text [ Scene Name:%scene_name Element:+ Position:Replace Existing Text:＋＋ Selection: ]
A14: Element Text [ Scene Name:%scene_name Element:- Position:Replace Existing Text:−− Selection: ]
A15: Variable Set [ Name:%volume_step To:3 Recurse Variables:Off Do Maths:On Append:Off ]
A16: End If
<WAIT>
A17: Wait [ MS:650 Seconds:0 Minutes:0 Hours:0 Days:0 ]
A18: Element Text [ Scene Name:%scene_name Element:- Position:Replace Existing Text:＜ Selection: ]
A19: Element Text [ Scene Name:%scene_name Element:+ Position:Replace Existing Text:＞ Selection: ]
A20: Variable Clear [ Name:%volume_step Pattern Matching:Off Local Variables Only:On ]