Hi,

yes, deriving from a python class in Python that itself is derived from a .net class doesn't work. Apologies, if I'd known that was what you were doing I could have saved you some time by telling you that earlier.

AFAIK this hasn't been created as an issue in github, so please if you could do that that would be helpful. It's probably not that hard to make work, but it's not something I've got time to look at myself right now I'm afraid. If anyone else wants to have a go and needs pointing in the right direction let me know.

Tony

On Mon, Apr 11, 2016 at 3:41 AM Hansong Huang <hhspiny@live.com> wrote:

Hello,

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.  

Not sure if it is a bug in python.net or was intended. 

regards,

Hansong

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