This would be included in WinUI 3.0, which MS plans to make open source. [LINK](https://github.com/Microsoft/microsoft-ui-xaml/issues/36#issuecomment-492910592)
This would be included in WinUI 3.0, which MS plans to make open source. [LINK](https://github.com/Microsoft/microsoft-ui-xaml/issues/36#issuecomment-492910592)