checking cancel button

[Stephen Gorton]

excellent!

it was the "with messages" i was missing.

works a dream now..

thanks BriN (and Jim)

stephen



Brian Yennie wrote:

> Stephen,
>
> Try this -
>
> In your repeat loop, add the line:
> "wait for 1 milliseconds with messages"
> This will allow the user to click the cancel button.
>
> Now.. in the cancel button script set a global variable to some 
> predetermined value (say, "cancel").
>
> Finally, back in the repeat loop - check for the special value in the 
> global variable. If it's set, the user must have hit the cancel button.
>
> HTH,
> Brian
>
>> hi
>> i can't seem to figure out how to switch context to a button - to see 
>> if its
>> been clicked and to -allow- the mouse to click it..
>>
>> i have a handler that reads through a file and puts the status into a 
>> progress
>> bar.
>> I have stuck a button (cancel) on the card
>>
>> question is how do i get the repeat statement in the handler to 
>> switch context
>> to the btn?, and check if the button has been depressed.
>> i have a mouse up statement in the btn but no matter what i do
>> the card ignores the button completely until its finished the repeat
>>
>> what i want to do is something like.....
>>
>> repeat for each line L in testfile
>> add 1 to num
>> if cancel button depressed exit repeat
>> set thumbpos of sb progbar to num
>> end repeat
>>
>> how do i check the state of the mouse button to see if its been 
>> depressed??
>>
>> thanks
>> stephen
>>
>>
>>
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