DHorizontalScroller

 
concommand.Add("ScrollerMenu", function(ply, cmd, args)
 
	local Frame = vgui.Create("DFrame")
	Frame:SetSize(200,70)
	Frame:Center()
 
	local Scroller = vgui.Create("DHorizontalScroller", Frame) --Create the scroller
	Scroller:SetSize(Frame:GetWide()-8, 40)
	Scroller:AlignBottom(4)
	Scroller:AlignLeft(4)
	Scroller:SetOverlap(-4) --Set how much to overlap, negative numbers will space out the panels.
 
	local Buttons = {}
	for i=1, 20 do --Create 20 buttons
 
		Buttons[i] = vgui.Create("DButton", Scroller) --Create the button
		Buttons[i]:SetSize(40, 40)
		Buttons[i]:SetText("Butt "..i)
		Scroller:AddPanel(Buttons[i]) --Add each button to our Scroller after we create it.
 
	end
 
end)