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Returns the Total row for the ITableColumn object (read-only).
IRange Total { get; }
ReadOnly Property Total As IRange
worksheet.Range["A1:B3"].Value = new object[,] {{"Product", "Amount"}, {"Apple", 100}, {"Pear", 200}};
ITable table = worksheet.Tables.Add(worksheet.Range["A1:B3"], true);
table.ShowTotals = true;
IRange totalCell = table.Columns[1].Total;