Adds the specified element to this set if it is not already present.
            
Namespace: Iesi.CollectionsAssembly: Iesi.Collections (in Iesi.Collections.dll) Version: 1.0.1.0 (3.2.0.4000)
Syntax
| C# | 
|---|
public override bool Add( Object o )  | 
| Visual Basic | 
|---|
Public Overrides Function Add ( _ o As Object _ ) As Boolean  | 
| Visual C++ | 
|---|
public: virtual bool Add( Object^ o ) override  | 
Parameters
- o
 - Type: System..::..Object
The object to add to the set.