MathView is a prototype WinUI 3 control that uses CSharpMath and Win2D to render LaTeX.
Namespace:
xmlns:math="using:CommunityToolkit.Labs.WinUI.MathView"
Xaml:
<math:MathView LaTeX="x = -b \pm \frac{\sqrt{b^2-4ac}}{2a}" />
There is a sample app in the repo if you want an end-to-end demo.