FIX: Trace Breaks Too Often With Breakpoint on SET("NULL")

• Microsoft Visual FoxPro for Windows, versions 5.0a, 6.0

SYMPTOMS

If a breakpoint is set in the Watch Window of the debugger with a value of a SET setting, an executing program might break even though the value does not change. For example, a breakpoint is set on SET("NULL").

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article.

This bug was corrected in Visual Studio 6.0 Service Pack 3.

For more information about Visual Studio service packs, please see the following articles in the Microsoft Knowledge Base:

Q194022 INFO: Visual Studio 6.0 Service Packs, What, Where, Why

Q194295 HOWTO: Tell That Visual Studio 6.0 Service Packs Are Installed

MORE INFORMATION

Steps to Reproduce Behavior

1. Set a breakpoint in the watch window on SET("NULL").



2. Create a program called MyProc.prg with the following code:




Procedure MyProcedure
   For i = 1 To 100
      Wait Window Str(i) Nowait
   Endfor
EndProc 

3. In the Command window, type Set Procedure To MyProc.



4. Create a form with one CommandButton. In the CommandButton's Click event, enter the following code:




Do MyProcedure 

5. Run the form.


Note that the debugger causes the program to break execution.

Additional query words:

Keywords : kbMiscTools kbVFp600 kbVFp600bug kbVS600sp3fix kbGrpFox kbDSupport
Version : WINDOWS:5.0a,6.0
Platform : WINDOWS
Issue type : kbbug