The following describes how to create a new snippet file from scratch using the Snippet Designer
for more –> http://snippetdesigner.codeplex.com/wikipage?title=createFromScratch&referringTitle=Documentation
You can also Right Click "Export as Snippet", “Insert Snippet” menu option added to C#, VB and XML code editor to send highlighted code directly to the Snippet Editor or import it.
download: http://snippetdesigner.codeplex.com/
Filed under: Visual Studio, VS2010