# FIX: "Paging Error" with DDEPOKE and String Greater Than 64K

ID: Q120189

2.5x 2.60 WINDOWS kbinterop kbbuglist kbfixlist kberrmsg

The information in this article applies to:

- Microsoft FoxPro for Windows, versions 2.5x, 2.6

## SYMPTOMS

The following error occurs when you attempt to send a string greater than 64K to another application with dynamic data exchange (DDE):

       Application Error
       FoxProw caused a Paging Error
       in Module DDEML.DLL at ...

## CAUSE

FoxPro 2.5x and 2.6 for Windows can send a string length up to 64K, but not greater.

## STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. This problem was corrected in FoxPro version 2.6a for Windows.

## MORE INFORMATION

### Steps to Reproduce Problem

Create and run the following program to reproduce the problem:

       WAIT WINDOW "Be sure WinWord is closed"
       RUN /N7 C:\WINWORD\WINWORD.EXE
       text = REPLICATE("123456789 ",150000)  && length = 1.5M
       doc = "bigone.doc"
       mchannel = DDEINITIATE("winword","system")
       = DDEEXECUTE(mchannel,'[FileNewDefault]')
       = DDEEXECUTE(mchannel,'[FileSaveAs.Name="&doc"]')
       = DDEEXECUTE(mchannel,'[EditBookMark.Name="big"]')
       = DDETERMINATE(mchannel)
       mchannel = DDEINITIATE("winword","&doc")
       = DDEPOKE(mchannel,"big",text)
       WAIT WINDOW "DDELastError=" + ALLTRIM(STR(DDELASTERROR())) + ;
          "  ... Zero means 'no error'"
       = DDETERMINATE(mchannel)

Additional reference words: FoxWin 2.50 2.50a 2.50b 2.60 buglist2.50 buglist2.50a buglist2.50b buglist2.60 fixlist2.60a errmsg err msg KBCategory: kbinterop kbbuglist kbfixlist kberrmsg KBSubcategory: FxinteropDde Solution Type : kbfix

Last Reviewed: October 20, 1997 © 1999 Microsoft Corporation. All rights reserved. Terms of Use.