Canvas.hide() | LuaRT free and open source Windows programming framework for Lua

Canvas:hide() method

Hide the Canvas widget.

Return value

This function returns no value.

Example


local ui = require "ui"
require "canvas"

-- create a simple Canvas 
local win = ui.Window("Canvas.visible sample", "fixed", 640, 480)
local Canvas = ui.Canvas(win, 0, 50, 640, 430)
Canvas.fontsize = 30

function Canvas:onPaint()
  self:begin()
  self:clear() 
  self:print("Hello", math.random(0,630), math.random(0, 390), math.random(0xFFFFFFFF))
  self:flip()
end

local button = ui.Button(win, "Hide the Canvas widget")
button:center()
button.y = 10

function button:onClick()
  Canvas.visible = not Canvas.visible
  button.text = (Canvas.visible and "Hide" or "Show").. " the Canvas widget"
end

ui.run(win):wait()