Windows Form Level Exception

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Angelina - 27 Jul 2006 08:54 GMT

Is there anything similar to "Error" event of System.Web.UI.Page of Webforms
in a Windows Forms?? I want to catch all errors occured in a windows form? I
already know there is Application.ThreadException but that is on application
level.

- angi

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Dmytro Lapshyn [MVP] - 27 Jul 2006 10:06 GMT

Hi Angelina,

No, there's nothing like that in Windows Forms, as far as I know. Actually,
you should think of such global handlers only as of a "safety net" that
prevents the whole app from a nasty crash if bad things happen.

My recommendation is to have exception handlers everywhere an exception can
occur. It's OK to have a reusable procedure responsible for displaying error
messages, but catch errors as close to the place they occur as possible.
With this strategy, you should be able to gracefully deal with many errors
without even having to display any message to the user.

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Regards,
Dmytro Lapshyn [MVP]
http://blogs.vbcity.com/DmytroL

> Is there anything similar to "Error" event of System.Web.UI.Page of
> Webforms in a Windows Forms?? I want to catch all errors occured in a
> windows form? I already know there is Application.ThreadException but that
> is on application level.
>
> - angi

Reply to this Message

Angelina - 27 Jul 2006 12:57 GMT

Hi Dmytro,

Thanx for the answer. The thing you told below is already used in my
application. I was just trying to figure out more secure approach to be on
safer side. But anyways thanx for anwering this and my previous queries too

> Hi Angelina,
>
[quoted text clipped - 14 lines]
>>
>> - angi

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Patrice - 27 Jul 2006 13:11 GMT

Try AppDomain.CurrentDomain.UnhandledException and/or
Application.ThreadException

Signature

Patrice

> Hi Dmytro,
>
[quoted text clipped - 22 lines]
>>>
>>> - angi

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oscar.acostamontesde@googlemail.com - 27 Jul 2006 13:43 GMT

try placing a try-catch block where you instanciate you form, like:
try{
Form my = new Form();
my.Show();
.....
}catch(Exception e){}

I use AppDomain.CurrentDomain.UnhandledException in the Program class,
even if a read an article about not all exceptions bee caugth with this
handler.

Patrice ha escrito:

> Try AppDomain.CurrentDomain.UnhandledException and/or
> Application.ThreadException
[quoted text clipped - 33 lines]
> >>>
> >>> - angi

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Windows Form Level Exception

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