How to include a XAML into another XAML in Windows Phone 7?

I need to include a common XAML in several different XAML layout files.

I do not want to hard code the repeated XAML part in those other XAML f开发者_StackOverflowiles.

How to do the include ?

Can you turn the shared code into a UserControl?

ALternatively you could use templating to generate the XAML which contains the shared code.