'宣言 Public ReadOnly Default Property Item( _ ByVal row As Integer, _ ByVal column As Integer, _ Optional ByVal rowCount As Integer, _ Optional ByVal columnCount As Integer _ ) As Range
'宣言
Public ReadOnly Default Property Item( _ ByVal row As Integer, _ ByVal column As Integer, _ Optional ByVal rowCount As Integer, _ Optional ByVal columnCount As Integer _ ) As Range
public Range this[ int row, int column, int rowCount, int columnCount ]; {get;}
CellRangeProvider 構造体 CellRangeProvider メンバ