How to check if a group contains a specific control ?

[Dick Kriesel]

yet another alternative:

if the long id of <your control> ends with the long id of <your group> then …

this catches controls whose ownership includes intervening grouping between your control and your group

— Dick

> On Aug 23, 2024, at 5:48 AM, Brian Milby via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> Another alternative.
> 
> If the short id of fld "xyz" is among the lines of the childcontrolids of group "abc" then …
> 
> This one should work as long as there is only one field with that name on the card (tried from message box).
> 
> Brian Milby
> brian at milby7.com
> 
>> On Aug 23, 2024, at 8:05 AM, Paul Dupuis via use-livecode <use-livecode at lists.runrev.com> wrote:
>> 
>> On 8/23/2024 7:45 AM, Klaus major-k via use-livecode wrote:
>>> Hi jbv,
>>> 
>>>>> Am 23.08.2024 um 13:27 schrieb jbv via use-livecode <use-livecode at lists.runrev.com>:
>>>> 
>>>> Hi list,
>>>> 
>>>> Is there a quick way to check if a group contains a specific control,
>>>> something like :
>>>> if there is a fld "xyz" in grp "abc" of this cd
>>>> I tried many things but it always generates an error.
>>>> So far, the only way I can think of is to maintain a custom prop
>>>> for each group, featuring a string that is the list of all controls
>>>> names of the group.
>>> if you don't have any other controls with the same name,
>>> you could check:
>>> -> lineoffset("xyz",the childcontrolnames of grp "abc")
>>> 
>> 
>> or, if you prefer:
>> 
>> if "xyz" is among the lines of the childcontrolnames of group "abc" then
>> 
>> NOTE: As mentioned, "xyz" would need to be a unique name for control in the group. If you have a field "xyz" and a button "xyz" (or 2 buttons or 2 or more fields with the same name, etc.) this is not accurate.
>> 
>> 
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