OneOnly handles multiple files with a single instance of your application just like Windows Media Player. It raises an event when an associated file type is launched. It has built in methods to associate file types and add items to the right click pop-up context menu for your created file types.
Full Specifications
What's new in version 1.0
General
ReleaseOctober 30, 2012
Date AddedOctober 31, 2012
Version1.0
Operating Systems
Operating SystemsWindows 2000, Windows Vista, Windows, Windows 7, Windows XP