Why does this not work ?

[Bob Sneidar]

Why aren't you setting the vis of tName? 

Bob S


> On Jun 10, 2019, at 17:44 , Alex Tweedly via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> OK, this code produces an error - but I can't see why (and I worry about that :-)
> 
> I have a field inside a group inside a group ....,
> 
> and the following code :
> 
>> on mouseup
>>    local tName, t1, t2
>>    put the long name of fld "F" into tName
>>    put tName & ",12,13" into t1
>>    put "t1" && t1 &CR after msg
>> 
>>    put item 1 of t1 into t2
>>    set the vis of t2 to TRUE
>>    put "t2 was OK" &CR after msg
>> 
>>    set the vis of (item 1 of t1) to TRUE
>>    put "using parens OK" &CR after msg
>> 
>>    set the vis of item 1 of t1 to TRUE       -- this line fails !!
>>    put "here" &CR after msg
>> 
>> end mouseup
> that line fails, with the error message