local imgui = require 'mimgui'
local items = {"Opt A","Opt B","Submenu","Exit"}
local sel = 0
local optA = false
local optB = false
local new = imgui.new
local WinState = new.bool(true)
local VK_UP, VK_DOWN, VK_ENTER = 0x26, 0x28, 0x0D
imgui.OnFrame(function() return WinState[0] end...