Microsoft KB Archive/103258

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Article ID: 103258

Article Last Modified on 1/18/2007



APPLIES TO

  • Microsoft Access 1.1 Standard Edition
  • Microsoft Access 2.0 Standard Edition
  • Microsoft Access 95 Standard Edition
  • Microsoft Access 97 Standard Edition



This article was previously published under Q103258

SYMPTOMS

Advanced: Requires expert coding, interoperability, and multiuser skills.

When you are quitting Microsoft Excel over a dynamic data exchange (DDE) channel in Microsoft Access versions 1.1, 2.0, and 7.0, you may receive the following error message:

The Other Application Quit

In Microsoft Access 97, you may receive the following error message:

Run-time error '291'.
The other application in the DDE conversation quit unexpectedly.
Restart the other application before reinitiating the DDE conversation.

CAUSE

Microsoft Excel version 4.0 automatically closes down any open DDE channels when quitting, rather than waiting for the DDE channels to be closed properly.

RESOLUTION

You can use one of the following two methods to work around this behavior. First, you can add an On Error Resume Next statement to your Microsoft Access function before the DDE quit command. The following sample function demonstrates this method:

   Function CallExcel ()
      Dim chan
      x = Shell("c:\excel\excel.exe c:\excel\macro1.xlm", 1)
      chan = DDEInitiate("Excel", "System")
      DDEExecute chan, "[Run(""macro1.xlm!Message"")]"
      AppActivate "Microsoft excel"
      On Error Resume Next
      DDEExecute chan, "[quit]"
      DDETerminate chan
    End Function
                

Second, you can have Microsoft Excel quit on its own, rather than having Microsoft Access send the quit instruction. You can do this by having the second to last line in a Microsoft Excel macro call another macro. The first macro will contain a line similar to

   =ON.TIME(NOW()+"0:0:3","Leave")
                

that will call a second macro in three seconds. The second macro will contain the two lines:

   =QUIT()
   =RETURN()
                

You can remove the DDE quit command from your Microsoft Access function if you use this method.

MORE INFORMATION

Steps to Reproduce Behavior

The following sample function will open Microsoft Excel and run a macro named Message. When the function instructs Microsoft Excel to quit, the error message mentioned in the "Symptoms" section will occur.

   Function CallExcel ()
      Dim chan
      x = Shell("c:\excel\excel.exe c:\excel\macro1.xlm", 1)
      chan = DDEInitiate("Excel", "System")
      DDEExecute chan, "[Run(""macro1.xlm!Message"")]"
      AppActivate "Microsoft excel"
      DDEExecute chan, "[quit]"
      DDETerminate chan
   End Function
                

REFERENCES

For more information about the DDEInitiate() function, search the Help Index for "DDEInitiate," or ask the Microsoft Access 97 Office Assistant.

Keywords: kberrmsg kbinterop kbprb kbprogramming KB103258