In fact, if your version of Visual Studio doesn't support Standard Class Library Projects and you want to work with Xamarin, it might be time to upgrade to a newer version of Visual Studio ...

Launch Microsoft Visual Studio. Click "New" and then "Project." Click "Visual Basic" and then click "Class Library." Copy the folder name that appears in the Location text box. This folder will ...

Use Test-Driven Development, generate from usage and a free Visual Studio add-in to let you spend more time doing what programmers want to do: writing code that works.