XL: How to Determine if a Variable Is an Array

• Microsoft Excel 98 Macintosh Edition
• Microsoft Excel 97 for Windows
• Microsoft Excel for Windows 95, versions 7.0, 7.0a
• Microsoft Excel for Windows, versions 5.0, 5.0c
• Microsoft Excel for the Macintosh, versions 5.0, 5.0a

SUMMARY

You can use the IsArray function to test a variable that has been set in a Microsoft Visual Basic for Applications procedure to determine whether it is an array.

MORE INFORMATION

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1. In a new Microsoft Excel Workbook, insert a new module sheet, and then type the following code:

         Sub IsArrayExample()
   
             Dim DataArray(2) As Integer        ' Declare an array.
             Dim ArrayBoolean As Boolean        ' Declare a Boolean variable.
   
             ArrayBoolean = IsArray(DataArray)  ' Check if DataArray is an
                                                ' array.
             If ArrayBoolean = True Then
                 MsgBox "DataArray is an Array."
             End If
   
         End Sub
   
   

2. Run the IsArrayExample macro.

   This macro will display a message box that shows "DataArray is an Array."

3. Click OK to dismiss the message box.

For more information about the IsArray function in Microsoft Excel 97, click the Office Assistant, type "isarray", click Search, and then click to view "IsArray Function."

For more information about IsArray in Microsoft Excel version 7.0, click Answer Wizard on the Help menu and type:

   IsArray

   ARTICLE-ID: Q163435
   TITLE     : VBA: Programming Resources for Visual Basic for
               Applications