|Visual Basic (Declaration)|
Public Class NamedReference Inherits NamedReferenceBase
public class NamedReference : NamedReferenceBase
Named references allow for names to be used in formulas instead of complex formulas or cell references. For example, instead of using the formula =SUM(E1:E20), a named reference with a name of 'Sales' can be defined to point to the range of E1:E20 (the named reference's formula would be defined like this: =Sheet1!$E$1:$E$20). Then the original formula could be expressed as =SUM(Sales).
Each named reference has an associated scope, which can either be the Workbook to which the named reference belongs or one of the Worksheet instances in the Workbook. The scope determines how the name must be referenced in formulas for different cells. A scope of the workbook means the named reference must be accessed by a formula in any cell of the workbook by specifying only the name. A scope of the worksheet means formulas used in other worksheets must reference the name by first specifying the worksheet scope, such as =SUM( Sheet2!Sales ). If the formula is in the same worksheet as the scope of the named reference, the formula can reference the name with or without the worksheet name.
Named references from external workbooks must always be referenced with the scope first. If the named reference's scope is the external workbook, the name is accessed by specifying the workbook file name followed by the name, such as in the following formula: ='C:\ExternalWorkbook.xls'!SalesTax. If the named reference has a scope of a worksheet in the workbook, it is referenced by specifying the file name, worksheet, and name: ='C:\[ExternalWorkbook.xls]Sheet1'!SalesTax.
Named references with different scopes can have the same names, but if two named references have the same scope, they must have case-insensitively unique names.