AcManager.Controls.Presentation.AppAppearanceManager.UpdateThemesList C# (CSharp) Method

        private void UpdateThemesList() {
            var dir = FilesStorage.Instance.GetDirectory("Themes");
            var files = FileUtils.GetFilesSafe(dir, "*.xaml");
            Themes.ReplaceEverythingBy(files.Any()
                    ? BuiltInThemes.OfType<object>().Append(new Separator()).Concat(files.Select(x => new ThemeLink(x)))
                    : BuiltInThemes);
            SelectedTheme?.Update();
        }