window = Window:Create()
context = Context:Create(window)

while true do
        if window:Closed() or window:KeyHit(Key.Escape) then return false end
                
        context:SetColor(0,0,1)
        context:Clear()
        
        --Draw a rectangle on the screen
        context:SetColor(1,0,0)
        context:DrawRect(100,100,context:GetWidth()-200,context:GetHeight()-200)
        
        context:Sync()
end