Please Note: This article is written for users of the following Microsoft Word versions: 2007, 2010, and 2013. If you are using an earlier version (Word 2003 or earlier), this tip may not work for you. For a version of this tip written specifically for earlier versions of Word, click here: Understanding the Select Case Structure.

Understanding the Select Case Structure

by Allen Wyatt
(last updated October 26, 2013)

2

Macros in Word are written in a language called VBA. Like any other programming language, VBA includes certain programming structures that are used to control how the program executes. One of these structures is the Select Case structure. This structure has the following syntax:

Select Case expression
Case expression
    program statements
Case expression
    program statements
Case Else
    program statements
End Select

When a macro is executing and this structure is encountered, Word uses the expression (first line) to test each subsequent Case statement to see if the code under the Case statement should be executed. For instance, consider the following code:

Select Case DayOfWeek
Case 1
    DayName = "Monday"
Case 2
    DayName = "Tuesday"
Case 3
    DayName = "Wednesday"
Case 4
    DayName = "Thursday"
Case 5
    DayName = "Friday"
Case 6
    DayName = "Saturday"
Case 7
    DayName = "Sunday"
Case Else
    DayName = "Unknown day"
End Select

This code assumes you enter it with DayOfWeek already set to a numeric value. Let's say (for example's sake) the value is 4. In this structure, the only code that would be executed is the code under the Case 4 statement—in other words, the macro would set DayName to "Thursday." If DayOfWeek were set to some other value not accounted for by the Case statements (outside of the 1 to 7 range), then the code under Case Else would execute, and the macro would set DayName to "Unknown day."

WordTips is your source for cost-effective Microsoft Word training. (Microsoft Word is the most popular word processing software in the world.) This tip (12692) applies to Microsoft Word 2007, 2010, and 2013. You can find a version of this tip for the older menu interface of Word here: Understanding the Select Case Structure.

Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He  is president of Sharon Parq Associates, a computer and publishing services company. ...

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Comments

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What is 9 - 2?

2014-04-21 04:42:51

Kem

I've created a userform with 10 optionbuttons. Can you help me use select case to determine which optionbutton has the value (instead of ten times an 'end if" construction)?
If an optionbutton has the value true, then some text boxes need to be set visible.

Thank you.
Kem


2013-10-28 07:27:16

Bryan

You aren't stuck with simple expressions, either. Here are three other ways you can use the Case statement:

Select Case DayOfWeek
Case 1 to 5
' This statement fires for any DayOfWeek between 1 and 5
DayName = "Week Day"
Case Is > 5
' This number fires for any DayOfWeek greater than 5
DayName = "Weekend"
End Select

or

Select Case DayOfWeek
Case 1, 3, 5, 7
' Any odd number
DayName = "Odd Day"
Case 2, 4, 6
' Any Even number
DayName = "Even Day"
End Select

The DayOfWeek used in these examples could be a constant, a variable, or even a function.


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