The first place I would check is my computers recycle bin. If they're not there, then I would open "my computer" and start searching every directory. Is it possible that you did a drop and drag of the entire directory to another location (directory)?
CC
have you looked in your recycle bin if its not thire you may have to set your compter back to the time before you lost all of it if this answer helps or dont let be now im on here as N&W Rules my e mial is marty_32_fr_va@yahoo.com good luck im haveing trouble of my owen i cant get im editor & tools for my train simulator