Groupbox.x read/write property
Get or set the Groupbox horizontal position. The horizontal position start from 0 (left side of the parent widget) and increase to the right (right side of the parent widget).
Example
local ui = require "ui"
-- create a simple window
local win = ui.Window("Groupbox.x sample", 600, 300)
local groupbox = ui.Groupbox(win, "Hello LuaRT !", 10, 140)
-- shows the window
win:show()
-- update user interface and increase Groupbox horizontal position
repeat
ui.update()
groupbox.x = groupbox.x + 1
until not win.visible or (groupbox.x > 600)