Tree:tofront( widget ) method
Brings the Tree in front of all other widgets, or in front of the specified widget.
Parameters
parent
The widget above which the Tree will be.
Return value
This function returns no value.Example
local ui = require "ui"
-- create a simple Window
local win = ui.Window("Tree:tofront() sample", 400, 300)
local widget = ui.Tree(win, {"I'am a Tree"})
widget:center()
local button = ui.Button(win, "Click me to bring Tree to front")
button:center()
button:show()
-- Button:onClick() event
function button:onClick()
widget:tofront()
end
win:show()
-- update the user interface until the user closes the Window
repeat
ui.update()
until not win.visible