[fpc-pascal] with statement using mulltiple objects

[vfclists .]

On 13 September 2014 20:02, Sven Barth <pascaldragon at googlemail.com> wrote:

> On 13.09.2014 20:13, vfclists . wrote:
>
>> According to the docs the with statement when used with mulltiple
>> objects only works with the last parameter.
>>
>>
>> The statement
>>
>> With A,B,C,D do Statement;
>>
>> is equivalent to
>>
>> With A do
>>   With B do
>>    With C do
>>     With D do Statement;
>>
>> --
>>
>> I thought that if all the objects have the property the statement would
>> apply to them eg.
>>
>>
>> with Label1, Label2, Label3 do
>>    Caption = 'Text'.
>>
>> I thought all the 3 labels would have the caption set, but only Label3's
>> caption is set. Is this a difference between Delphi's Object Pascal and
>> FreePascal, or has Delphi's Object Pascal always worked in the same
>> manner?
>>
>
> It has always worked in this manner. It's just for abbreviating typing,
> not for combining properties. (and then the with-variant with multiple
> elements is even more seldomly used than the single-element one...)
>
> Regards,
> Sven
> _______________________________________________
> fpc-pascal maillist  -  fpc-pascal at lists.freepascal.org
> http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
>

What then is the nesting for if the command will only apply to the last
item with the property? Is each nested element supposed to be a property of
the enclosing element?

What is the rationale for such a statement, ie using multliple elements?

-- 
Frank Church

=======================
http://devblog.brahmancreations.com
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