local MainFrame = vgui.Create( "DFrame" ) MainFrame:SetSize( 500, 300 ) MainFrame:Center() MainFrame:MakePopup() local MainSheet = vgui.Create( "DPropertySheet", MainFrame ) MainSheet:Dock( FILL ) local First_Panel = vgui.Create( "DPanel", MainSheet ) First_Panel.Paint = function( self, w, h ) draw.RoundedBox( 4, 0, 0, w, h, Color( 0, 128, 255, self:GetAlpha() ) ) end MainSheet:AddSheet( "test", First_Panel, "icon16/cross.png" ) local Second_Panel = vgui.Create( "DPanel", MainSheet ) Second_Panel.Paint = function( self, w, h ) draw.RoundedBox( 4, 0, 0, w, h, Color( 255, 128, 0, self:GetAlpha() ) ) end MainSheet:AddSheet( "test 2", Second_Panel, "icon16/tick.png" ) MainSheet:SetActiveTab( MainSheet:GetItems()[2].Tab ) --2 is a representation of the second sheet