Avalonia by Avalonia

<PackageReference Include="Avalonia" Version="0.10.0" />

 SelectorMatchResult

public enum SelectorMatchResult
Describes how a SelectorMatch matches a control and its type.

The selector always matches this instance, but doesn't always match this type.

The selector always matches this type.

The selector never matches this instance, but can match this type.

The selector never matches this type.

The selector matches this instance based on the Activator.