Label.y read/write property
Get or set the Label vertical position. The vertical position start from 0 (top side of the parent widget) and increase to the bottom side of the parent widget.
Example
local ui = require "ui"
-- create a simple window
local win = ui.Window("Label.y sample", 300, 600)
local label = ui.Label(win, "Hello LuaRT !")
-- shows the window
win:show()
-- update user interface and increase Label horizontal position
repeat
ui.update()
label.y = label.y + 1
until not win.visible or (label.y > 600)