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Return statements within the with endwith blocks
Message
From
07/01/2017 06:19:44
Thomas Ganss (Online)
Main Trend
Frankfurt, Germany
 
General information
Forum:
Visual FoxPro
Category:
Troubleshooting
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows 10
Database:
MS SQL Server
Miscellaneous
Thread ID:
01646361
Message ID:
01646383
Views:
57
>Hi everybody,
>
>I recall there were some issues of using return statements within with /endwith blocks. Can you point me out to some related blogs and is it still considered a bad practice to use them?
>
>Can they lead to VFP9 crashes (especially since there is ActiveX involved)?

Personally witnessed a returning local var changing datatype in calling function when issued from within with..endwith.
Uncertain if it was with vfp6 or vfp8 libs.
After that having only single return statement was given higher priority and a simple code scanner to find returns inside with was written, run directly after next release with manual fixes.

With.. Endwith changed to local temp references whenever I encounter it, as shortened object resolution can be beneficial for perf: get managment approval in advance and schedule such sessions directly for work start or after extended breaks.

Side benefit is code easier to read by having a well named temp reference instead of a dot for which the origin might be 2 screens above.
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