using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using DevExpress.Mobile.DataGrid.Theme; namespace DevExpress.GridDemo { public partial class ThemesPage { public ThemesPage() { InitializeComponent(); BindData(); } void OnDarkTheme(object sender, EventArgs e) { ThemeManager.ThemeName = Themes.Dark; } void OnLightTheme(object sender, EventArgs e) { ThemeManager.ThemeName = Themes.Light; } async void BindData() { BindingContext = await LoadData(); } Task<MainPageViewModel> LoadData() { return Task<MainPageViewModel>.Run(() => new MainPageViewModel(new DemoOrdersRepository())); } } }