Now, this is kind of my personal opinion, but in the spirit of good
programming, I really don't like to use exceptions in the normal
execution of code. If you need to make sure a variable isn't Nil,
then by all means, make sure the variable isn't Nil first. Have you
noticed that Exception handlers can be vauge and hard to use at
times? Exception handlers are designed to be a last resort to
prevent your program from crashing and to at least give you the
chance to recover from something you haven't handled.
Personally, I have one exception handler in all my programs - in the
App.UnhandledException event, just to keep my programs from simply
crashing. Other than that, I make every effort to simply avoid an
error before it causes any weirdness. In most cases, it's just
adding another enclosing if-statement.
Error checking is something I don't think enough people take
seriously. RB makes it a little less painful with having soft
crashes, where it will close any binary streams, release memory, and
do a few other things if your program really does crash, but the
bottom line is, you, as the programmer are the one and only person
who has the best opportunity to prevent your program from crashing.
There is no class or plugin that will prevent your program from
suffering from any conceivable error. In a way, what you're looking
for is RB. By all means, make sure the variable isn't Nil before you
use it. Think about all the possible outcomes of your code. Take
advantage of layered if-statements (but don't go crazy, either). If
you wrote a program that works half the time and throws up Exceptions
for the rest, then you're not done. Write code that avoids
problems. 99% of the time, it's easier to walk around the can of
paint rather than to kick it and then clean up the mess.
- Andrew Keller
On Dec 2, 2006, at 3:12 PM, Claude Stone wrote:
I have found that including an exception statement in each routine
will direct me to the routine and then troubleshoot by breakpoints.
IE:
Exception
MsgBox "Unhandled exception error in routine xyz"
At 08:32 AM 12/2/2006, you wrote:
I'm sure that I'm not the only one who finds error trapping a tedious
process. Does anyone know of any classes or plugins that will
help take
care of this automatically?
Any input would be appreciated!
RB5.5.5 and a mostly unused copy of 2006r2.
WinXP, 2.2 GHz, 2G RAM
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Claude Stone
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