Canvas.y | LuaRT free and open source Windows programming framework for Lua

Canvas.y read/write property

Get or set the Canvas 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"
require "canvas"

-- create a simple window
local win = ui.Window("canvas.x sample", 500, 400)
local canvas = ui.Canvas(win)

-- shows the window
win:show()

-- update user interface and increase canvas horizontal position
repeat
  ui.update()
  canvas.y = canvas.y + 1
until not win.visible or (canvas.y > 400)