Menu.count | LuaRT free and open source Windows programming framework for Lua

Menu.count readonly property

Get the current count of menu items.

Example


local ui = require "ui"

-- create a simple Window
local win = ui.Window("Menu.count sample", 316, 246)
local button = ui.Button(win, "Add Menu item", 110, 86)
-- create a Window menu with one menu item "Items" with an empty sub menu
win.menu = ui.Menu()
win.menu:add("Items").submenu = ui.Menu()
win:status("'Items' has no MenuItems")

function button:onClick()
	local items = win.menu.items[1].submenu
	-- add a new item to the submenu "Items" and set a MenuItem:onClick() event handler
	items:add("Item"..items.count+1).onClick = function (self)
		ui.info("You have clicked on "..self.text)
	end
	win:status("'Items' has "..items.count.." MenuItems")
end

-- shows the Window
win:show()

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