How do you play gamecube games on the wii with the classic controlleR?

I thought that you could if not please tell meHow do you play gamecube games on the wii with the classic controlleR?
You put it in the same slot the Wii games go in. You also the top part of the Wii you can put the Gamecube controllers so you play it like the Gamecube. PICK ME!How do you play gamecube games on the wii with the classic controlleR?
You cant, but the top of the wii opens so you can plug in Gamecube controllers