Adds the elements of the specified ICollection to the set.
[Visual Basic]
Overridable Overloads Public Function Add( _
ByVal collection As ICollection _
) As Boolean Implements _
ISet.Add
true if the set is modified; otherwise false.
            
| Exception Type | Condition | 
|---|---|
| System.NullReferenceException | The collection is a nullreference 
            (Nothingin Visual Basic). | 
SetBase Class | SetBase Members | Foley.Utilities.Collections Namespace | SetBase.Add Overload List