public bool Equals(ObservableGroupingView <TKey, TElement> x, ObservableGroupingView <TKey, TElement> y)
{
if (x != null && y != null)
{
return(keyComparer.Equals(x.Key, y.Key));
}
if (x == null && y == null)
{
return(true);
}
return(false);
}
public int GetHashCode(ObservableGroupingView <TKey, TElement> obj)
{
return(obj == null ? 0 : keyComparer.GetHashCode(obj.Key));
}