Visual Studio Documentation Page o' the Day: How to Manually Create Project Templates
Visual Studio provides wizards to help you generate templates from projects that are open in the development environment. However, if you want to create a template outside of the development environment, you can use this procedure to manually assemble the source files of your application into a Visual Studio project template.
For details, see http://msdn.microsoft.com/en-us/library/ms185291.aspx.
