public void AddMultiFilter(int i, string f)
{
if (MultiFilters == null)
{
MultiFilters = new Dictionary <int, HashSet <string> >();
}
if (!MultiFilters.TryGetValue(i, out var set))
{
set = new HashSet <string>();
set.Add(f);
MultiFilters[i] = set;
}
else
{
set.Add(f);
}
}
public void AddMultiFilter(int i, List <string> fs)
{
if (MultiFilters == null)
{
MultiFilters = new Dictionary <int, HashSet <string> >();
}
HashSet <string> set;
if (!MultiFilters.TryGetValue(i, out set))
{
set = new HashSet <string>(fs);
MultiFilters[i] = set;
}
else
{
foreach (var f in fs)
{
set.Add(f);
}
}
}