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

Canvas.parent readonly property

Get the parent object that owns the Canvas.

Example


local ui = require "ui"
require "canvas"

-- create a simple Canvas 
local win = ui.Window("Canvas.parent sample", 640, 480)
local Canvas = ui.Canvas(win, 0, 50, 640, 500)
Canvas:clear(0xd5a0f8)
Canvas:flip()

local button = ui.Button(win, "Click to show Canvas.parent")
button:center()
button.y = 10

function button:onClick()
  ui.info("Canvas parent is "..tostring(Canvas.parent))
end

win:show()

-- update the user interface until the user closes the Window
repeat
  ui.update()
until not win.visible