A real useful piece of code, hence I put it under Z. It does nothing but open and close the door of the CD-ROM player, and pushes the tray in and out. Should your coffee be too hot, you can put it on the moving tray and cool it off! Get the old computer out of the attic, we found a use for it! Seriously, just a quick look at the many things the mciSendString() function can do.