List:onContext() | LuaRT free and open source Windows programming framework for Lua

List:onContext(ListItem) event

This event is fired when a right-click occured on the List.

Return value

This event returns no value.

Example


local ui = require "ui"

-- creates a simple window
local win = ui.Window("List:onContext() event sample", 320, 260)
local list = ui.List(win, {"Item1", "Item2", "Item3"}, 120, 60)

-- List:onContext event
function list:onContext(item)
    -- show popup menu if onContext event occured on an item
    if item ~= nil then 
        local menu = ui.Menu("Delete ListItem")
        menu.items[1].onClick = function (self)
            item:remove()
        end
        win:popup(menu)
    end
end

win:show()

-- update window
while win.visible do
    ui.update()
end