dmodelpanel_next_example

local choice = 1
local models = {
    "alyx.mdl",
    "gman.mdl",
    "kleiner.mdl",
    "crowbar.mdl",
}

local model_panel = vgui.Create("DModelPanel")

local next_button = vgui.Create("DButton")
function next_button:DoClick()
    choice = choice % #models + 1
    model_panel:SetModel(models[choice])
end