Button.x read/write property
Get or set the Button 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("Button.x sample", 600, 300)
local button = ui.Button(win, "Click me !", 10, 140)
-- set an button.onClick event handler
function button:onClick()
self.x = math.random(500)
self.y = math.random(260)
end
-- shows the window
win:show()
-- update user interface and increase Button horizontal position
repeat
ui.update()
until not win.visible