public override void Fill()
        {
            IsInProgress = true;
            Header       = "ActivitiesView_Fill_Header_Activities".TranslateInstructor();
            viewModel    = new ActivitiesViewModel(ParentWindow);
            DataContext  = viewModel;
            var binding = new Binding("IsInProgress");

            binding.Mode = BindingMode.OneWay;
            SetBinding(IsInProgressProperty, binding);

            viewModel.FillActivities();
        }
 public override void RefreshView()
 {
     ActivitiesReposidory.Instance.ClearCache();
     viewModel.FillActivities();
 }