The rewrite was originally intended to be run as a Windows service. Due to issues that prevent the service from accessing the theme data, a different DwmWin.xaml file that does not rely on the theming service is instead required:
The rewrite was originally intended to be run as a Windows service. Due to issues that prevent the service from accessing the theme data, a different DwmWin.xaml file that does not rely on the theming service is instead required: