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Re: Limiting number of dialog characters

You can't limit the amount of data entered in a display dialog/prompt user
interface box. You can, however, parse their answer down after you capture
what they typed, and then qualify that. Something like:
set OurLoopFlag to true as boolean
repeat while (OurLoopFlag)
display dialog "Please enter serial number: " buttons [con't]
{"Cancel", "OK"} default button 2 default answer [con't]
"1234567890123456789012"
if (button returned of the result is "OK") then
-- grab the contents of the dialog box
set x to the text returned of the result as text
end if
set xLength to the length of x
if xLength<22 then
set OurLoopFlag to true as boolean
else if xLength>22 then
set x to text 1 thru 22 of x
-- check the number to see if it's valid
-- if not valid
-- generate an error message to user and loop again
-- if valid, set OurLoopFlag to false as boolean -- to exit the loop
end if
end repeat


Roger Hie Wrote:
>
> Does anyone know how I can limit the amount of characters that can be
> entered in a dialog display? I want to limit the input characters to 22 by
> not letting anymore than 22 characters be entered. Much like entering a
> registration number.
>
> Thanks.
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