Progressbar.height | LuaRT free and open source Windows programming framework for Lua

Progressbar.height read/write property

Get or set the height of the Progressbar area. The height starts from 0 (top side of the Progressbar) and increase to the bottom direction.

Example


local ui = require "ui"

-- create a simple Window
local win = ui.Window("Progressbar.height sample", 360, 200)
local pb = ui.Progressbar(win)
pb:center()
local inc_btn = ui.Button(win, "Increase Progressbar.height !", 15, 10)
local dec_btn = ui.Button(win, "Decrease Progressbar.height", inc_btn.x+inc_btn.width+10, inc_btn.y)

function inc_btn:onClick()
  local delta
  if self == inc_btn then
    delta = 10
  else
    delta = -10
  end
  pb.height = pb.height + delta
end

dec_btn.onClick = inc_btn.onClick

-- shows the Window
win:show()

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