Window.bgcolor
Get or set the Window background color.
Example
--! luart-extensions
import ui
-- create a simple Window
local win = ui.Window("Window.bgcolor sample")
win.bgcolor = 0 -- black background
win:show()
-- update user interface
repeat
win.bgcolor = win.bgcolor + 0x010101
ui.update()
until not win.visible or win.bgcolor >= 0xFFFFFF