TCollection this[
	IndexCollection rowIndexes,
	int columnIndex
] { get; }ReadOnly Default Property Item ( 
	rowIndexes As IndexCollection,
	columnIndex As Integer
) As TCollection
	Getproperty TCollection default[IndexCollection^ rowIndexes, int columnIndex] {
	TCollection get (IndexCollection^ rowIndexes, int columnIndex);
}abstract Item : 'TCollection with get| ArgumentNullException | rowIndexes is null. | 
| ArgumentOutOfRangeException | rowIndexes contains an index 
            which is greater than or equal to the number of rows of this instance. -or- columnIndex is less than zero. -or- columnIndex is greater than or equal to the number of columns of this instance.  |