Hi,
I do not think, you can do it. Even the"refine" key of a property will
only affect the initial value.
You should really think about your class design. If there is a property
of another type in the sub class you should give it another name,
because it is a different property and the semantics are different.
Furhtermore if you´d change the type of a property in a subclass how
can you be shure that there will be no problem if the base class uses
this property ? 
 
HTH,
Rob.

>>> benco <[email protected]> 5/16/2011 10:36 >>>
Hello,

I'm currently trying to subclass an existing class and to overwrite an
existing property to allow more possibilities. The "check" function of
this
property is a problem because I can't redefine it in the subclass. 

As it is impossible to completely and easily overwrite properties with
qx
class definitions, I was wondering how I could achieve doing it...

By using a Mixin ? Via the "include" directive or by using a "patch" ?
(I
don't know if the include declaration in class definitions triggers
also
patching when there are existing methods). I tried these two ways but
without success (the same check error occurs again).

Any ideas ?

Best,

Benoît.
    

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