Create UI-styled dropdown menu

This snippet creates a very simple dropdown selection box in the center of the screen.

Snippet

if not DropDownMenuTest then
   CreateFrame("Button", "DropDownMenuTest", UIParent, "UIDropDownMenuTemplate")
end

DropDownMenuTest:ClearAllPoints()
DropDownMenuTest:SetPoint("CENTER", 0, 0)
DropDownMenuTest:Show()

local items = {
   "Alpha",
   "Beta",
   "Gamma",
   "Delta",
}

local function OnClick(self)
   UIDropDownMenu_SetSelectedID(DropDownMenuTest, self:GetID())
end

local function initialize(self, level)
   local info = UIDropDownMenu_CreateInfo()
   for k,v in pairs(items) do
      info = UIDropDownMenu_CreateInfo()
      info.text = v
      info.value = v
      info.func = OnClick
      UIDropDownMenu_AddButton(info, level)
   end
end


UIDropDownMenu_Initialize(DropDownMenuTest, initialize)
UIDropDownMenu_SetWidth(DropDownMenuTest, 100);
UIDropDownMenu_SetButtonWidth(DropDownMenuTest, 124)
UIDropDownMenu_SetSelectedID(DropDownMenuTest, 1)
UIDropDownMenu_JustifyText(DropDownMenuTest, "LEFT")

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