"Incorrect" behavior of inheriting from class which is inherited from .Net class #264

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1. filmor commented on Aug 8, 2021

   

   filmor

   on Aug 8, 2021

   Last edited by filmor

   Member

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   The actual message was:

   This is related to previous investigation of inheriting from .NET
   interface class to create WPF MVVM structure. As now I believe it has
   nothing to do with interface class, but instead caused by inheriting from
   .Net class overall.

   please see the following code

   import clr, System
   class baseNA(System.Random):
       __namespace__ = "BaseNA"
       def __init__(self):
           super(baseNA,self).__init__()
   #    @clr.clrmethod(System.String,[])
       def ToString(self):
           return "string"
   
   class baseNB(baseNA):
       __namespace__ = "BaseNB"
       def __init__(self):
           super(baseNB,self).__init__()
   bna = baseNA()
   print bna.ToString()
   print bna._Random__ToString()
   bnb = baseNB()
   print bnb.ToString()
   print bnb._baseNA__ToString()
   print bnb._Random__ToString()

   This produces the following output
   string
   BaseNA.baseNA
   BaseNB.baseNB
   BaseNB.baseNB
   BaseNB.baseNB

   as you see, while baseNA -- the first level inherited class works fine.
   ToString() overrides System.Random.ToString()

   But baseNB inherited from baseNA did not inherit ToString() method from
   baseNA, but rather inherited from System.Random.

   This bug is still present and should be fixable by adjusting attribute lookup. @lostmsu Thoughts?
2. filmor

   added

   bug

   on Aug 12, 2022