Create a new document
On the File menu, click New Item, and then do one of the following:
Click Window to add a top-level window or dialog box to your WPF project.
Click UserControl to define an interface component that you can embed within other parts of your WPF project.
Click Page to contain a section of your project that can be reached by navigation either in a browser-hosted application or navigation window in a WPF project.
Click ResourceDictionary to store and share resources among various parts of your project.
In the Name box, enter a name for the document if you would like to rename the file.