Basalt/docs/objects/Scrollbar.md

Scrollbars are objects that allow users to scroll vertically or horizontally, which in turn changes a value that you can access using the :getValue() method.

In addition to the Object and VisualObject methods, Scrollbar objects have the following methods:

setSymbol	Sets the scrollbar symbol
setBackgroundSymbol	Sets the background symbol
setBarType	Sets the bar type (vertical or horizontal)
setScrollAmount	Sets the maximum scroll amount
setIndex	Sets the current index
getIndex	Returns the index

Example

Here's an example of how to create a Scrollbar object and set its properties:

local main = basalt.createFrame()
local subFrame = main:addFrame():setSize(30, 15)
local scrollbar = main:addScrollbar():setPosition(31, 1):setSize(1, 15):setScrollAmount(10)

scrollbar:onChange(function(self, _, value)
  subFrame:setOffset(0, value-1)
end)