Erased the wrong folder using <del> command in the windows 7 command prompt

So basically this is what happened: Some folder didn't want to delete (It kept saying it was in use) so I rebooted and tried again but with the same results happening. I had enough so I decided to take my good old command prompt skills and delete it the manly way by locating the right folder and deleting it. What I did was:

"dir rootfolder"

"del foldertobedelete"

It didn't work, the little fucker was still there so I tried again but I made a mistake and wrote this instead for some stupid reason:

"del *"

Now I happily destroyed all the files in my personal folder.

My question here is: Is there a recovering software capable of repairing this?