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VB Macro to Change Between Relative/Absolute References

This article was previously published under Q116028
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SUMMARY
In Microsoft Excel, you can use the ConvertFormula method in a VisualBasic, Applications Edition, procedure to convert cell references from A1reference style to R1C1 reference style. This method will also allow you tochange from an absolute to a relative reference and vice versa.
MORE INFORMATION
Microsoft provides programming examples for illustration only, without warranty either expressed or implied. This includes, but is not limited to, the implied warranties of merchantability or fitness for a particular purpose. This article assumes that you are familiar with the programming language that is being demonstrated and with the tools that are used to create and to debug procedures. Microsoft support engineers can help explain the functionality of a particular procedure, but they will not modify these examples to provide added functionality or construct procedures to meet your specific requirements. The following sample Visual Basic procedure uses the ConvertFormula methodto convert A1 relative references to R1C1 absolute references or A1absolute references to R1C1 relative references for a selected range.

You can also use this procedure to convert cell references between A1 andR1C1 reference style by changing the appropriate constants for"fromReferenceStyle" and "toReferenceStyle" for the ConvertFormula method.

Macro Example

Before running the macro, select one or more cells containing formulas toconvert.
'Convert_Reference Type Macro'A Visual Basic module to convert absolute references to relative'references or relative references to absolute references.   Sub Conv_RefType()       Dim Conv As String       'Prompt user to change to relative or absolute references       Conv = Application.InputBox _           ("Type A to convert to Absolute, R to Relative Reference(s)", _           "Change Cell Reference Type")       'If changing relative to absolute references       If UCase(Conv) = "A" Then           'Loop through each cell selected           For Each Mycell In Selection               If Len(Mycell.Formula) > 0 Then                   'Stores cell's formula as variable                   MyFormula = Mycell.Formula                   'Converts formula to absolute reference style                   NewFormula = Application.ConvertFormula _                       (Formula:=MyFormula, _                       fromReferenceStyle:=xlA1, _                       toReferenceStyle:=xlA1, _                       toAbsolute:=xlAbsolute)                   'Replaces old formula with new absolute formula                   Mycell.Formula = NewFormula               End If           Next       'If changing absolute to relative references       ElseIf UCase(Conv) = "R" Then           'Loop through each cell selected           For Each Mycell In Selection               If Len(Mycell.Formula) > 0 Then                   'Stores cell's formula as variable                   MyFormula = Mycell.Formula                   'Converts formula to relative reference style                   NewFormula = Application.ConvertFormula _                       (Formula:=MyFormula, _                       fromReferenceStyle:=xlA1, _                       toReferenceStyle:=xlA1, _                       toAbsolute:=xlRelative)                   'Replaces old formula with new relative formula                   Mycell.Formula = NewFormula               End If           Next       'Display Error message if choice entered is invalid       ElseIf UCase(Conv) <> "FALSE" Then           MyMsg = "Enter A for Absolute, R for Relative Reference(s)"           MyTitle = "Option Not Valid"           MyBox = MsgBox(MyMsg, 0, MyTitle)       End If   End Sub				
REFERENCES
For more information about ConvertFormula, choose Search from the VisualBasic Help menu and type:
ConvertFormula
97 absolute relative howto change XL98 XL97 XL7 XL5 XL
Properties

Article ID: 116028 - Last Review: 10/11/2006 01:37:43 - Revision: 2.2

  • Microsoft Excel 97 Standard Edition
  • Microsoft Excel 98 for Macintosh
  • kbprogramming KB116028
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