Private Sub CopyTo ( _
    array As Array, _
    index As Integer _
) Implements ICollection.CopyTo

Dim instance As ReadOnlyCollectionBase
Dim array As Array
Dim index As Integer

CType(instance, ICollection).CopyTo(array, _
    index)

void ICollection.CopyTo(
    Array array,
    int index
)

private:
virtual void CopyTo(
    Array^ array, 
    int index
) sealed = ICollection::CopyTo

JScript does not support explicit interface implementations.