https://docs.devexpress.com/WPF/400728/common-concepts/themes/palettes#predefined-palettes
ThemeManager.PreloadThemeResourceAsync("Office2019White", runTypeInitializers: false).Wait();
ControlzEx.Theming.ThemeManager.Current.AddLibraryTheme(new ControlzEx.Theming.LibraryTheme(
new Uri("pack://application:,,,/Resources/ColorScheme.xaml"),标签：DevExpress,ControlzEx,Theme,palettes,ThemeManager,new,Theming From： https://www.cnblogs.com/chucklu/p/16829016.html