'Declaration
 
Public Overridable ReadOnly Default Property Item( _
   ByVal collectionIndex As Integer _
) As ThumbnailItem

'Usage
 
Dim instance As SelectedThumbnailItemCollection
Dim collectionIndex As Integer
Dim value As ThumbnailItem
 
value = instance.Item(collectionIndex)

public virtual ThumbnailItem this[ 
   int collectionIndex
]; {get;}

public: __property virtual ThumbnailItem* get_Item   int collectionIndex
;

public:
virtual property ThumbnailItem^ default [int] {
   ThumbnailItem^ get(int collectionIndex);
}