Window.y read/write property
Get or set the Window vertical position. The vertical position start from 0 (top side of the Desktop) and increase to the bottom side of the Desktop.
Example
local ui = require "ui"
-- create a simple window
local win = ui.Window("Window.y sample")
-- shows the Window
win:show()
-- update user interface and increase Window horizontal position
repeat
ui.update()
win.y = win.y + 1
-- Sleep for 1ms to slow down the movement
sys.sleep(1)
until win.y > 800