_Application.ReferenceStyle Property
Office 2003
Returns or sets how Microsoft Excel displays cell references and row and column headings in either A1 or R1C1 reference style. Read/write XlReferenceStyle.
Namespace: Microsoft.Office.Interop.Excel
Assembly: Microsoft.Office.Interop.Excel (in microsoft.office.interop.excel.dll)
Microsoft.Office.Interop.Excel Namespace
Assembly: Microsoft.Office.Interop.Excel (in microsoft.office.interop.excel.dll)
Reference
_Application InterfaceMicrosoft.Office.Interop.Excel Namespace