private void AddAdvancedFilter(FilterBase filter)
{
var view_model = new FilterViewModel(filter, this);
AdvancedFilterViewModels.Add(view_model);
advanced_filter.Add(view_model.Filter);
}
private void RemoveAdvancedFilter(object o)
{
var filter_view_model = o as FilterViewModel;
if (filter_view_model == null)
{
return;
}
AdvancedFilterViewModels.Remove(filter_view_model);
advanced_filter.Remove(filter_view_model.Filter);
}
