public virtual void Clear()
{
// Only clear items of this type
// that match the predicate.
var items = RealObject
.OfType <TNew>()
.ToArray();
foreach (var item in items)
{
RealObject.Remove(item);
}
}
IEnumerator IEnumerable.GetEnumerator() => RealObject .OfType <TNew>() .GetEnumerator();
public virtual IEnumerator <TNew> GetEnumerator() => RealObject .OfType <TNew>() .GetEnumerator();
public virtual int CountOf(TGroup group) => RealObject.OfType <TGroup>().Count();
public virtual int CountOf(TGroup group)
{
return(RealObject.OfType <TGroup>().Count());
}
IEnumerator IEnumerable.GetEnumerator()
{
return(RealObject
.OfType <TNew>()
.GetEnumerator());
}
public virtual IEnumerator <TNew> GetEnumerator()
{
return(RealObject
.OfType <TNew>()
.GetEnumerator());
}