Install-Package Microsoft.Xaml.Behaviors.Wpf
- Remove reference to “Microsoft.Expression.Interactions” and “System.Windows.Interactivity”
- Install the “Microsoft.Xaml.Behaviors.Wpf” NuGet package.
- XAML files – replace the xmlns namespaces “http://schemas.microsoft.com/expression/2010/interactivity” and “http://schemas.microsoft.com/expression/2010/interactions“with “http://schemas.microsoft.com/xaml/behaviors“
- C# files – replace the usings in c# files “Microsoft.Xaml.Interactivity” and “Microsoft.Xaml.Interactions” with “Microsoft.Xaml.Behaviors”