Edit.canundo readonly property
Get a boolean value, indicating wether the user can undo the last Edit operation.
Example
local ui = require "ui"
-- create a fixed Window to hold the buttons
local win = ui.Window("Edit.canundo sample", "fixed", 340, 260)
local label = ui.Label(win, "Enter text : ", 10, 20)
local edit = ui.Edit(win, "", label.x + label.width + 8, label.y, 250, 200)
function edit:onChange()
win:status("Edit.canundo : "..tostring(edit.canundo))
end
edit:onChange()
win:show()
-- update user interface
repeat
ui.update()
until not win.visible