How to convert Wpf Page application to dll?

Question

I write Page application with WPF as exe project. But when i change type of project to Class library- i get many errors: Library project file cannot specify ApplicationDefinition element, The name InitializeComponent does not exist in the current context.

How to convert Page exe project to dll? Thank you!

Answer 1

I tried, you can delete App.Xaml and rebuild will succeed.