Emptying of the Recycle Bin results in the space being marked as available for overwriting by the OS.  Theoretically, until the area is overwritten, the file can be recovered intact by a undelete software.The first precaution you ahve to take, is to stop performing any further write operations on the drive, as this might lead to permanent data loss. You can recover files from emptied Recycle Bin with the help of a third party software. Data recovery programs have unique file recovery capabilities that your OS does not. These tools are well designed to recover data, even after the Recycle Bin is emptied.

Although, browsing the internet will throw up innumerable number of recovery software, that assure you complete data recovery, only a handful of them are really effective in recovering your data to the fullest. REMO Recover (Windows) Basic Edition software, is a comprehensive undelete software, that lets you recover files from emptied Recycle Bin, from all types of storage devices.