XL: Type Mismatch: Array or User Defined Type Expected

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

SUMMARY

In Microsoft Excel, when a Microsoft Visual Basic for Applications procedure passes the value of one array to another array, if the data types of the two arrays are not compatible, you may receive one of the following error messages:

   Type mismatch: Array or User Defined Type Expected.

   -or-

   Compile error:
   Type mismatch: array or user-defined type expected

   Type mismatch: arrays not of compatible types

RESOLUTION

To make sure that the data types for both arrays are compatible, dimension both arrays with the same data type.

MORE INFORMATION

Steps to Reproduce Behavior

1. In Microsoft Excel, create a new workbook.

2. From the Insert menu, choose Macro, and then choose Module.

   In Microsoft Excel 97, press ALT+F11 to activate the Visual Basic Editor. Then, click Module on the Insert menu.

   In Microsoft Excel 98 Macintosh Edition, press OPTION+F11 to start the Visual Basic Editor. Then, click Module on the Insert menu.

3. In the module, type the following procedures:

         Sub First()
            Dim A(1 to 20) As Double
            Second A()
         End Sub
   
         Sub Second(B() As Single)
         End Sub
   
   

4. From the Tools menu, choose Macro. Select the macro titled First, and choose Run.

   In Microsoft Excel 97, click Macros on the Tools menu. Click First, and then click Run.

   At this point you should receive one of the error messages shown above.

    Sub Correct()
       Dim A(1 to 20) As Double
       Example A()
    End Sub

    Sub Example(B() As Double)
    End Sub