Public Default Property Item( _
   ByVal index As Integer _
) As TimeInterval

Dim instance As TimeIntervalCollection
Dim index As Integer
Dim value As TimeInterval
 
instance.Item(index) = value
 
value = instance.Item(index)

public TimeInterval this[ 
   int index
]; {get; set;}

public:
property TimeInterval default [int] {
   TimeInterval get(int index);
   void set (int index, TimeInterval value);
}