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Q188888: BUG: "String is too long to fit" Error Passing Variables to COM

Article: Q188888
Product(s): Microsoft FoxPro
Version(s): WINDOWS:5.0,5.0a
Operating System(s): 
Keyword(s): 
Last Modified: 11-DEC-1999

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The information in this article applies to:

- Microsoft Visual FoxPro for Windows, versions 5.0, 5.0a 
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SYMPTOMS
========

The error message "String is too long to fit." is received when a character
variable is passed by reference to a Visual FoxPro COM server, either a DLL or
EXE.

CAUSE
=====

This error is received if the character variable exceeds 255 characters.

STATUS
======

Microsoft has confirmed this to be a bug in the Microsoft products listed at the
beginning of this article. We are researching this bug and will post new
information here in the Microsoft Knowledge Base as it becomes available.


MORE INFORMATION
================

Steps to Reproduce Behavior
---------------------------

1. Place the following code into a new program file and save it as Test.prg:

        DEFINE CLASS test AS custom OLEPUBLIC
           Name = "test"
           PROCEDURE vartest
              Parameters xx
              xx=xx+"ddd"
              RETURN "Hello"
           ENDPROC
        ENDDEFINE

2. Create a new project and add the program from step 1 above to the project.
  Name the project Test.pjx.

3. From the Project Manager, build either an Executable or an OLE DLL. Name it
  Test.exe or Test.dll.

4. Place the following code into a new program file and run it:

        CLEAR
        x=CREATEOBJECT("test.test")
        IF TYPE("x")!="O"
           RETURN
        ENDIF
        z=REPLICATE("z",256)
        ? x.vartest(@z)
        ? z
        RETURN

Additional query words: kbDSupport kbDSE kbVFp500abug kbVFp500bug

======================================================================
Keywords          :  
Technology        : kbVFPsearch kbAudDeveloper kbVFP500 kbVFP500a
Version           : WINDOWS:5.0,5.0a
Issue type        : kbbug
Solution Type     : kbfix

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