Delphi Excel Cells.Find 提示参数不正确

ExcelWorksheet2.Cells.Find('小计',ExcelWorksheet2.Cells.Range["A1:A20"].Cells.Item[2,1],xlValue,xlPart,xlByColumns,xlNext,True ,True,True);

提示 参数不正确

http://www.cnblogs.com/ywangzi/archive/2012/04/11/2442253.html

http://blog.csdn.net/beyondqd/article/details/7207888