You should be able to do it with the following changes: You wouldn't even need the Test2 class. hth

Define Test as custom
  function showString(aString)
    ? aString
  endfunc
Enddefine

Define Test1 as Test
  <b>function showString(aString)
    text::showString(this.fixFunc(aString))
  endfunc</b>
  function fixFunc(aString)
    <b>return 'String: ' + aString</b>
  endfunc
Enddefine

<b>Define Test2 as Test1
Enddefine</b>

>
>The problem is when I use showString() in Test2. It calls fixFunc() which then should call my showString() in Test. instead, of course, it calls the one in Test2 and goes into infinite recursion. I can use Test::showString() instead of this.showString() and it would work. But then that means you have to specify the class of any method you are using which defeats a main feature of inheritance.
>
>My question is: How can i make a showString() in Test2 without messing with the code in Test and Test1.
>
>Thanks