WD97: Cannot Trap Undefined Sub or Function Error (164010)
The information in this article applies to:
- Microsoft Word 97 for Windows
This article was previously published under Q164010 SUMMARY
In Visual Basic for Applications, you cannot trap the following undefined
Sub procedure or Function error:
Compile Error: Sub or Function not defined
MORE INFORMATIONMicrosoft provides programming examples for illustration only, without warranty either
expressed or implied, including, but not limited to, the implied warranties of
merchantability and/or fitness for a particular purpose. This article assumes
that you are familiar with the programming language being demonstrated and the
tools used to create and debug procedures. Microsoft support professionals 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 needs. If you have limited programming experience, you may
want to contact a Microsoft Certified Partner or the Microsoft fee-based
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An undefined Sub or Function is an attempt to call a Sub procedure or
Function that does not exist.
The following sample Visual Basic for Applications macro makes a call to
the non-existent function, "MyFunction". The error listed earlier in this
article will occur before the macro begins to run or compile.
Sub MyMacro()
On Error Resume Next
x = MyFunction()
End Sub
Error trapping does not work with undefined subroutines, functions, or
commands. To avoid these type errors, the macro must be designed so that
it does not call an undefined subroutine, function, or command.
Specifically, when you create your macro make sure that the following
conditions are satisfied:
- The Sub procedure or Function exists.
- The Sub procedure or Function is not misspelled.
- The Sub procedure or Function is not declared as Private.
- If the Sub procedure or Function exists in a custom template
or document project other than the project in which the calling
routine exists, make sure that a reference has been added to the
custom template project or document.
NOTE: You cannot add a reference to a project within a document
whose underlying template is the same template as the calling
procedure.
Adding a Project Reference
To add a project reference, follow these steps:
- On the Tools menu, click References to display the References dialog
box.
- The References dialog box shows all object libraries and
projects registered with the operating system. Scroll through
the list for the project you want to reference. If the
template or document project isn't listed, you can use the
Browse button to search *.dot or *.doc files. References
whose check boxes are selected are used by your project; those
that aren't selected are not used, but can be added.
- Select the Project reference in the Available References box
in the References dialog box and click OK.
NOTE: If a project has not been saved, it appears as "UNSAVED:
<Project Name>" and you will be unable to make a reference to it.
For more information about adding references, click the Office Assistant,
while in the Visual Basic Editor, type "Adding References," click Search,
and then click to view "Check or Add an Object Library Reference."
NOTE: If the Assistant is hidden, click the Office Assistant button on the
Standard toolbar. If the Assistant is not able to answer your query, please
see the following article in the Microsoft Knowledge Base:
176476 OFF: Office Assistant Not Answering Visual Basic Questions
REFERENCES
For more information about calling Sub and Function procedures, from the
Visual Basic for Applications Editor, click the Office Assistant, type
"Call Statement," click Search, and then click to view "Call Statement."
For information about this subject for earlier versions of Word, please
see the following article in the Microsoft Knowledge Base:
82113 WD: Cannot Trap WordBasic Error 124 with On Error Command
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
Modification Type: | Minor | Last Reviewed: | 10/11/2006 |
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Keywords: | kbdtacode kberrmsg kbinfo kbmacroexample kbProgramming KB164010 |
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