public async Task LoadDataAsync()
{
var loadDataTasks = GetViewModels().Select(vm => vm.LoadDataAsync());
await Task.WhenAll(loadDataTasks);
OnPropertyChanged("LastUpdated");
ToursConfig.RemoveDeprecatedTours(Tours.Items);
}
private async void Refresh()
{
var refreshDataTasks = GetViewModels()
.Where(vm => !vm.HasLocalData)
.Select(vm => vm.LoadDataAsync(true));
await Task.WhenAll(refreshDataTasks);
OnPropertyChanged("LastUpdated");
ToursConfig.RemoveDeprecatedTours(Tours.Items);
}
protected async override void LoadState(object navParameter)
{
await this.ViewModel.LoadDataAsync();
ToursConfig.RemoveDeprecatedTours(ViewModel.Items);
}