Re: Objects: One for the gurus - More Complicated

Buzz Kettles Mon, 31 Jan 2005 15:06:05 -0800

At 10:07 PM +0000 1/31/05, you wrote:

Thank you to all that has contributed, you have all been help.

However, it still doesn't quite allow me to do what I want. I think I need
to explain a little further.

Once my MIAW has loaded, and calculations are performed, the result needs to
be returned via an OK button.

Can we still get it to work and return a result to my variable.

Regards

Jon

You have neglected to say where the calculations are being performed (in the Stage movie or the MIAW) & where this 'OK' button is (on the Stage or in the MIAW)

the easiest would be to put the calculated result into a variable & for the ok to access that global variable

-Buzz


On 31/1/05 8:42 pm, "Pedja" <[EMAIL PROTECTED]> wrote:

 The way to capture a return value from a MIAW is to use "the result"
 function...

 It works this way:

 -- the MIAW (let's call it window "myWindow") does whatever it's supposed to
 do

  on doSomething x
    y = x + 1
    return y --  this is where the value is returned
  end


 -- the stage trigers a handler in the above miaw and captures the return
 value

  x = 1
  tell window "myWindow"
    doSomething(x) -- or if you are not sending anything the just
 doSomething() with parenthesis "()"
  end tell
  pVar = the result -- this variable will capture whatever the handler within
 the MIAW has returned


 That's it...you can use the same method "the result" to capture any return
 values from a handler although within the same movie it's easier to just
 asign a variable to the whole handler

 E.g:

  on mouseUp
   x = 1
   pValue = doSomething(x)--when calling a handler that returns a value you
 must use parenthesis at the end ()
   put pValue
  end

-- somewhere else in the same movie you have the doSomething handler on doSomething x y = x + 1 return y -- you must use the "return" statement to return the calculation back end

 Hope this helps

 Pedja


 -----Original Message-----
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf Of Valentin Schmidt
 Sent: 31 January 2005 19:34
 To: Lingo programming discussion list
 Subject: Re: <lingo-l> Objects: One for the gurus

sorry, my last mail contained some accidental junk script due to copying and

 > pasting. so here again:
 >
 > you could either use a global:
 >
 > global gData
 >
 > gData = 23
 > window("something").open()
 > tell window("something")
 >     foo()
 > end tell
 > put gData
 > -- 46


 and in something.dir:

 on foo
     global gData
     gData = gData * 2
 end

 OR, use a list as parameter to implement passing by reference:


 window("something").open()
 data = 23
 tmpList = [data]
 tell window("something")
     foo(tmpList )
 end tell
 put tmpList[1]
 -- 46

 and in something.dir:

 on foo (tList)
     tList[1] =  tList[1]*2
 end


 Valentin

Jon Alongi wrote:

 Hi people/gurus,


 I hope someone can help me.


 I have for hours been trying to work out a solution to no avail.

 Does anyone know if it is possible and how to return a value from a
 MIAW.

 I am using an object to open up a MIAW, perform a calculation, and
 would then like the result returned to my variable.

 For example:

 MyVariable = fileIO.dosomething("parameter")


 Parent script

 On doSomething me, paremter

 Window("something").open() --perform calculation in the MIAW

 RETURN data
 End


 Is this even possible.

 Id really welcome the advise, no matter how unorthodox.

 Best Regards

Jon


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Re: Objects: One for the gurus - More Complicated

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