local ChangeTab = function(container, event, group)
    container:ReleaseChildren()
    if group == "tab2" then
        local desc = AceGUI:Create("Label")
        desc:SetText("This is Tab 1")
        desc:SetFullWidth(true)
        container:AddChild(desc)

        local button = AceGUI:Create("Button")
        button:SetText("Tab 1 Button")
        button:SetWidth(200)
        container:AddChild(button)
    elseif group == "tab1" then
        local item2 = {string="item2!", color = {r=1,g=0,b=0.5} }
        local itemList = {"Item1", item2, "Item3", "Item4"}

        local myMultiSelect = AceGUI:Create("MultiSelect")
        myMultiSelect:SetLabel("My Multi Select")
        myMultiSelect:SetWidth(200)
        myMultiSelect:SetHeight(400)
        myMultiSelect:SetItemList(itemList)
        myMultiSelect:SetMultiSelect(false)
        container:AddChild(myMultiSelect)
    end
end

function bsk:CreateGUI()

    -- Create a container frame
    self.frame = AceGUI:Create("Frame")
    self.frame:SetCallback("OnClose",function(widget) AceGUI:Release(widget) end)
    self.frame:SetTitle("BSK")
    self.frame:SetLayout("Flow")
    self.frame:SetHeight(700) 
    self.frame:SetWidth(350)
    local tab = AceGUI:Create("TabGroup")
    tab:SetLayout("Flow")
    tab:SetTabs(
        {
            {
                text="Tab 1",
                value="tab1"
            },

            {
                text="Tab 2",
                value="tab2"
            },
            {
                text="Tab 3",
                value="tab3"
            },
            {
                text="Tab 4",
                value="tab4"
            }
        }
    )
	tab.width = "fill"
	tab.height = "fill"

    tab:SetCallback("OnGroupSelected",ChangeTab)
    tab:SelectTab("tab1")
    self.frame:AddChild(tab)

    -- Create a button
    --local btn = AceGUI:Create("Button")
    --btn:SetWidth(170)
    --btn:SetText("Button !")
    --btn:SetCallback("OnClick", function() print("Click!") end)
    -- Add the button to the container
    --self.frame:AddChild(btn)
end