How to tell if it's a datagrid

[Mike Kerner]

whoa.  everyone else's replies didn't show up until just now, and they're
all above mine.  weird email glitch this AM.

On Fri, Jan 5, 2018 at 8:48 AM, Mike Kerner <MikeKerner at roadrunner.com>
wrote:

> uhhh guessing:  can you check if the object has a parent?  If the parent
> is a datagrid, then the object is not a datagrid
>
> On Thu, Jan 4, 2018 at 7:13 PM, Bob Sneidar via use-livecode <
> use-livecode at lists.runrev.com> wrote:
>
>> Given an object reference, how can I tell the object is a datagrid? You
>> might say, get the dgProp ["control type"], but every object contained
>> within a datagrid group will ALSO return "data grid". In fact, EVERY dgProp
>> arguement for every item in a datagrid group will do the same.
>>
>> The reason I ask is that I want to get the minimum left/top and maximum
>> right/bottom of every VISIBLE object on a card that is NOT a group but
>> notwithstanding INCLUDING Datagrids, so that I can set the rect of the card
>> containing them in a consistent way. The thing is, groups have margins (I'm
>> not going to set the margins of all my groups to 0) and these are not
>> visible, so could skew the positioning of what IS visible. Datagrids do NOT
>> have margins that I can tell, even though they are groups. For example, if
>> I had a group on the left edge but not on the right edge, the objects on
>> the card would look off center.
>>
>> Bob S
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>
>
>
> --
> On the first day, God created the heavens and the Earth
> On the second day, God created the oceans.
> On the third day, God put the animals on hold for a few hours,
>    and did a little diving.
> And God said, "This is good."
>



-- 
On the first day, God created the heavens and the Earth
On the second day, God created the oceans.
On the third day, God put the animals on hold for a few hours,
   and did a little diving.
And God said, "This is good."