Name: scrollbarLineDec

Type: message

Syntax: scrollbarLineDec <newPosition> 

Summary: Sent to a <scrollbar> when the user clicks the decrease arrow, scrolling backward one <line>.

Associations: scrollbar

Introduced: 1.0

OS: mac,windows,linux,ios,android

Platforms: desktop,server,web,mobile

Example:
on scrollbarLineDec newCharNumber
-- use a scrollbar to scroll through data, one character at a time
  put char newCharNumber of field "Data" into field "Display"
end scrollbarLineDec

Parameters:
newPosition: The new position of the scrollbar thumb.

Description:
Handle the <scrollbarLineDec> <message> if you want to respond to the use of the top or left scrollbar arrow.

Dragging the scrollbar thumb does not send a <scrollbarLineDec> <message>.

If the <scrollbarLineDec> <message> is not <handle|handled>, a <scrollbarDrag> <message> is sent in addition.

References: lineIncrement (property), scrollbar (keyword), line (keyword), scrollbarDrag (message), scrollbarLineInc (message), scrollbarBeginning (message), handle (glossary), message (glossary)

Tags: ui
