private void mvvmContext1_ViewModelSet(object sender, DevExpress.Utils.MVVM.ViewModelSetEventArgs e) { var fluent = mvvmContext1.OfType <TaskViewModel>(); fluent.SetObjectDataSourceBinding(taskViewModelBindingSource); fluent.BindCommand(bbiMarkDone, x => x.MarkDone); fluent.BindCommand(bbiPostpone, x => x.Postpone); mvvmContext1.RegisterService(MessageBoxService.CreateXtraMessageBoxService(owner: this)); }