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- property pTickBkgd, pTopScroll, pBottomScroll, pCenterMain, pThisName, pEndScroll
-
- on new me, tickBkgd, topScroll, bottomScroll, centerMain
- set pTickBkgd to tickBkgd
- set pTopScroll to topScroll
- set pBottomScroll to bottomScroll
- set pCenterMain to centerMain
- hideAll(me)
- return me
- end
-
- on hideAll me
- repeat with x = pTickBkgd to pBottomScroll
- set the visible of sprite x to 0
- end repeat
- updateStage()
- end
-
- on showAll me, endScroll
- set pEndScroll to endScroll
- repeat with x = pTickBkgd to pBottomScroll
- set the visible of sprite x to 1
- end repeat
- updateStage()
- end
-
- on scrollUp me
- set thisMember to the member of sprite pCenterMain
- set pThisName to the name of member thisMember
- if the scrollTop of member pThisName > 0 then
- set the scrollTop of member pThisName to the scrollTop of member pThisName - 4
- updateStage()
- end if
- end
-
- on scrollDown me
- set thisMember to the member of sprite pCenterMain
- set pThisName to the name of member thisMember
- if the scrollTop of member pThisName < pEndScroll then
- set the scrollTop of member pThisName to the scrollTop of member pThisName + 4
- updateStage()
- end if
- end
-