Lift Simulation Using multi-Thread

Question

Hi everybody. I have a problem please help me. I want to make a win form simulation of lift by using threads. it should contain the buttons for the speed of lift. it have to be three floors. Each floor Should have to buttons for up and down. Ground floor should have one button for up. and same for 3rd floor its should have 1 button for down. please if somebody simulate it using C Sharp.
                                                                 Regards Zeb