[Gambas-user] String array empty after SUB (Gambas 2)

[Rolf-Werner Eilert]

Sometimes you're used to doing things this way or that way without 
thinking about what could be a better solution... :-)

Never realized that functions can return whole arrays! Thanks for that hint.

Rolf


Am 23.02.2012 21:51, schrieb nando:
> felder as STRING[] is a parameter passed into sub
> It is no good outside of SUB
>
> What you should do is make your sub
>
>   PUBLIC FUNCTION ListeKundeFelder(schlysselnr AS String, felder AS String[]) AS STRING[]
>
> and return the string[], assigning it to the original felder[]
>
> -Fernando
>
>
>
> ---------- Original Message -----------
> From: Rolf-Werner Eilert<eilert-sprachen at ...221...>
> To: mailing list for gambas users<gambas-user at lists.sourceforge.net>
> Sent: Wed, 22 Feb 2012 17:41:53 +0100
> Subject: [Gambas-user] String array empty after SUB (Gambas 2)
>
>> Now, this is a strange one :-) and I really have no idea what goes wrong
>> here.
>>
>> I've got a dialog which loads a list of names. I'm keeping such SUBs
>> that deal with files in a module called ldsv (brief for load-save).
>>
>> The dialog's part is simple, "ls" is the listbox:
>>
>> PRIVATE felder AS NEW String[]
>>
>> PUBLIC SUB ls_Click()
>>
>>     Label1.Text = "Nr. "&  schlyssel[ls.Index]&  ": "&  ls[ls.Index].Text
>> 'here we jump into the SUB:
>>     ldsv.ListeKundeFelder(schlyssel[ls.Index], felder)
>> 'now we should see the number of fields loaded:
>>     lblTitel.Text = CStr(felder.Count)
>>
>> END
>>
>> Now the SUB in module ldsv:
>>
>> PUBLIC SUB ListeKundeFelder(schlysselnr AS String, felder AS String[])
>> DIM t$ AS String
>> DIM feld AS NEW String[]
>>
>>     felder.Clear
>>
>>     t$ = File.Load(pfadKunden&/ schlysselnr&  ".kunde")
>>     t$ = Tag2Str(t$)
>>
>>     feld = Split(t$, Chr$(10))
>>
>>     IF feld[0] = "#!Stein3.1" THEN
>>       feld.Delete(0, 2)               'das #! und die ID können weg
>>       felder = feld.Copy()
>>     END IF
>>
>> END
>>
>> When I put a stop at the END IF and watch the values, felder will have
>> 16 values from 0 - 15 containing strings just as expected. But when I
>> return to the dialog, felder is empty! This is especially weird as there
>> are other SUBs and FUNCTIONs en masse in my project that do it exactly
>> the same way.
>>
>> I cannot detect any mistake I made - or do you?
>>
>> Regards
>>
>> Rolf
>>
>> ------------------------------------------------------------------------------
>> Virtualization&  Cloud Management Using Capacity Planning
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> ------- End of Original Message -------
>
>
> ------------------------------------------------------------------------------
> Virtualization&  Cloud Management Using Capacity Planning
> Cloud computing makes use of virtualization - but cloud computing
> also focuses on allowing computing to be delivered as a service.
> http://www.accelacomm.com/jaw/sfnl/114/51521223/
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