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WD98: How to Create Mutually Exclusive Check Boxes Using VBA

This article was previously published under Q182427
This article has been archived. It is offered "as is" and will no longer be updated.
In Microsoft Word, there is no built-in functionality to force a user toselect only one Check Box Form Field out of a group of check boxes.

For example, if you have three check boxes: Yes, No, and Undecided, theuser can select more than one at a time. However, you want to limit theuser to selecting only one check box.

This article describes a method using Visual Basic for Applications thatyou can use to force a user to select only one check box from a group ofcheck boxes.
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 for Applications macro demonstrates twogroups of check boxes on a form. One group contains check boxes named Yes,No, and Undecided; the other group contains check boxes named True andFalse. When you select one of the check boxes in the group, the other checkboxes are cleared.
   Sub ToggleCheckBoxOnEntry()      Dim fFields As FormFields      Dim fSelectedField As FormField      Set fFields = ActiveDocument.FormFields      For Each fSelectedField In Selection.FormFields         ' Form field must be a check box.         If fSelectedField.Type = wdFieldFormCheckBox Then            ' Go to the case for the currently selected group.            Select Case fSelectedField.Name               ' Yes, No, or Undecided check box group.               Case "Yes", "No", "Undecided"                  ' Clear all values.                  fFields("Yes").CheckBox.Value = False                  fFields("No").CheckBox.Value = False                  fFields("Undecided").CheckBox.Value = False               ' True or False check box group.               Case "True", "False"                  ' Clear all values.                  fFields("True").CheckBox.Value = False                  fFields("False").CheckBox.Value = False               ' You can add other Case statements for other groupings.               ' For example:               'Case               '   <Code>               'Case               '   <Code>               Case Else            End Select            ' Check the selected formfield.            fSelectedField.CheckBox.Value = True         End If      Next   End Sub				
To use this macro for any check box grouping within your document, assignToggleCheckBoxOnEntry() as the Entry macro for every Check Box Form Fieldin the group.

For more information about Select Case statement, click the OfficeAssistantwhile in the Visual Basic Editor, type Select Case statement, clickSearch,and then click to view "Select Case statement."

NOTE: If the Assistant is hidden, click the Office Assistant button on theStandard toolbar. If the Assistant is not able to answer your query, pleasesee the following article in the Microsoft Knowledge Base:
176476 OFF: Office Assistant Not Answering Visual Basic Questions
For additional information, please see the following article in theMicrosoft Knowledge Base:
181058 OFF98: How to Run Sample Code from Knowledge Base Articles
For more information about getting help with Visual Basic for Applications,please see the following article in the Microsoft Knowledge Base:
163435 VBA: Programming Resources for Visual Basic for Applications
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Article ID: 182427 - Last Review: 10/07/2013 21:03:52 - Revision: 2.1

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