[Gambas-user] using try when access devices shadow the errors

[Fabien Bodard]

Nevertheless ... great thread about error management 😊

Thank you Tobias and others.

Maybe a copy in a nota bene part of some explanation can be an help...

Le jeu. 2 août 2018 21:14, PICCORO McKAY Lenz <mckaygerhard at gmail.com> a
écrit :

> i'm glad tobias answer me!
>
> also noted after that, many others do it!
>
> but as noted without the second "unwarranted arrogance" mail.. maybe never
> will happened!
>
> Was it really necessary to send a second email with a warm tone so that
> they could answer me?
>
> We must all improve, not only I believe! AND i read carefully that second
> mail, it's not so "arrogance" as you pointed!
>
> be easy! men!
>
> Lenz McKAY Gerardo (PICCORO)
> http://qgqlochekone.blogspot.com
>
> 2018-08-02 14:57 GMT-04:00 Jussi Lahtinen <jussi.lahtinen at gmail.com>:
>
>> "The great silence" may just be due your completely unwarranted arrogance
>> towards others.
>>
>>
>> Jussi
>>
>> On Thu, Aug 2, 2018 at 9:12 PM, PICCORO McKAY Lenz <
>> mckaygerhard at gmail.com> wrote:
>>
>>> ah yeah, must be send to list, so then:
>>>
>>> > an exceptional product
>>>
>>> so it's a product or a hobby? we need a product i try to make a product
>>> from a product, i rmenber that someone said in old mail that does all
>>> of this for hobby.. well sorry someone here confusing this excelent peice
>>> of software with a product to make products!
>>>
>>> > Tobias never said Catch shadows the error
>>>
>>> i was my fault, i means that tobias said that try shadowns the error,
>>> seems you make same mistake like me, do not read the complete threath with
>>> caution...
>>>
>>> so i not critizing the wiki, but that are not pointed in wiki, i try to
>>> point that experts users will begin being novice users
>>>
>>> now mails have lot of examples, recomendations, expert people, puff, etc
>>> etc but in the begining a great silence was!
>>>
>>>
>>>
>>> Lenz McKAY Gerardo (PICCORO)
>>> http://qgqlochekone.blogspot.com
>>>
>>> 2018-08-02 13:50 GMT-04:00 Tony Morehen <tmorehen at ajm-software.com>:
>>>
>>>> The wiki/documentation is perfectly clear about Try, Catch, and
>>>> Finally.  Further, Tobias never said Catch shadows the error!
>>>>
>>>> Try shadows the error, not Catch.  Catch is an error handler.  It
>>>> behaves as an error handler should ie the error is handled, no need to
>>>> raise an exception.
>>>>
>>>> Here's the standard error process:
>>>>
>>>> 1) Fill in the Error object
>>>> 2) Raise an exception
>>>>
>>>> This is equivalent to On Error Goto 0
>>>>
>>>> Error process with a Try at the start of statement
>>>>
>>>> 1) Fill in Error object
>>>> 2) Resume at the statement following the Try
>>>>
>>>> This is equivalent to:
>>>>     On Error Resume Next
>>>>     statement
>>>>     On Error Goto 0
>>>>
>>>> Error process with a Catch block
>>>>
>>>> 1) Fill in the Error object
>>>> 2) Resume at the statement following the Catch
>>>>
>>>> This is equivalent to:
>>>>     On Error Goto Catch
>>>>     statements
>>>>     Return
>>>>    Catch
>>>>     error handling code
>>>>     Return
>>>>
>>>> Error Process with Catch and Finally blocks
>>>>
>>>> 1) Fill in the Error object
>>>> 2) Resume at the statement following the Catch
>>>> 3) Execute the Finally code.  Finally code is executed even if there is
>>>> no error.
>>>>
>>>> This is equivalent to:
>>>>     On Error Goto Catch
>>>>     statements
>>>>     Goto Finally
>>>>    Catch
>>>>     error handling code
>>>>     Goto Finally
>>>>    Finally
>>>>     code that is always executed
>>>>
>>>> A final word of caution  Criticizing the wiki as bluntly as you do,
>>>> particularly when that criticism is unwarranted, is likely to irritate the
>>>> people that provide us such an exceptional product.  Try framing this sort
>>>> of criticism as a question, such as "Do we need to add something to the
>>>> wiki to make this explicit and avoid confusing novices?"
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On 2018-08-02 12:04 PM, PICCORO McKAY Lenz wrote:
>>>>
>>>>> i cited that wiki does not say that error are shadowed by the catch!
>>>>> its very important information for novices, taking in consideratino the
>>>>> languaje barrier
>>>>>
>>>>> seems we need more vision here!
>>>>>
>>>>>
>>>>> Lenz McKAY Gerardo (PICCORO)
>>>>> http://qgqlochekone.blogspot.com
>>>>>
>>>>> 2018-08-02 11:56 GMT-04:00 Jussi Lahtinen <jussi.lahtinen at gmail.com
>>>>> <mailto:jussi.lahtinen at gmail.com>>:
>>>>>
>>>>>
>>>>>         well i comming from java and C and its common ofr us use
>>>>>         try/cacht as duple
>>>>>
>>>>>
>>>>>     Incorrect. There is no try/catch in C.
>>>>>
>>>>>
>>>>>     Jussi
>>>>>
>>>>>
>>>>>
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>>>>> ]----
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
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>>>>>
>>>>
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>>>
>>>
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>>
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