number = layer?

Paul Dupuis paul at researchware.com
Sat Jun 5 14:57:35 EDT 2021


Thank you.


When I looked up 'number" for a property of an object in the Dictionary 
the only entry I found for number was "the number of <objects> and all 
its variants - i.e counts. I must have just missed number as a property 
of a single object.


On 6/5/2021 2:18 PM, Pi Digital via use-livecode wrote:
> Hi Paul.
>
> Your field numbers will not be the same as layer numbers if anything else is in a layer between or before them.
>
> The better indicator would be
> If word 7 of X = the number of fld “Address” then
>
> That will do what you are thinking I believe.
>
> Sean
>
>> On 5 Jun 2021, at 19:12, Paul Dupuis via use-livecode <use-livecode at lists.runrev.com> wrote:
>>
>> Here is a basic question I am not sure of (after decades of LC coding) and can't pin down in teh Dictionary
>>
>> If you execute "put the selectedChunk into X" then (assume a valid selection) X contains an expression of the form "char <start> to <end> of field <fieldNumber>"
>>
>> If I want to check that the selection is in one of a number of fields on my stack, say called "Address", is the following conditional correct?
>>
>> if word 7 of X = the layer of fld "Address" then -- the selection is in the address field
>>
>> In other words, is the <fieldNumber> returned by selectedChunk the same as the layer property of objects OR is it an index to the number of fields on that card (two different things if you have objects other than fields on the card)
>>
>> Any one know for sure?
>>
>>
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