public override void OnNavigatedTo(object navigationParameter, NavigationMode navigationMode, Dictionary <string, object> viewModelState)
{
try
{
MapLocked = false;
var category = navigationParameter as string;
Category = new PictureCategoryViewModel(category, new DelegateCommand <PictureCategoryViewModel>(GotoCategoryDetail));
PictureSearch.SearchAction = new Action <string>(StartKeywordSearch);
TriggerNewSearch();
}
catch (Exception)
{
MapBounds = null;
Keywords = null;
SearchBounds = null;
Category = null;
NavigationService.GoBack();
}
}
private void GotoCategoryDetail(PictureCategoryViewModel category)
{
NavigationService.Navigate("CategoryDetail", category.Id);
}
private bool CanGotoCategoryDetail(PictureCategoryViewModel category)
{
return(category != null && category.Items.Count > 0);
}
