Creating a WinUI control library

A control library is a great way to reuse your WinUI controls across projects, much in the same way that .NET libraries enable projects to share business logic. This concept is not new to WinUI; you can create control libraries for most UI frameworks. We are going to create a control library with a user control containing two WinUI controls:

• A TextBox to enter a URL where our users want that WebView2 to navigate
• A reload Button to reload the current web page in WebView2

We will use one event to trigger the reload and another to notify the host that a new URL has been entered:

1. Start by adding a new Control Library (WinUI in Desktop) project to the solution in your language of choice. Name the project WebViewBrowser.Controls.
2. Remove Class1.cs from the project and use Add | New Item to add a new User Control (WinUI) named BrowserToolbar to the project.

   Note

   A User Control is best suited to our needs here. We want to define...