>If the Common Language Runtime doesn't support multiple inheritance, how is Eiffel.NET supposed to support it? I don't believe it can. Presumably Eiffel.NET will be different in some ways from the current version, just as VB.NET differs from VB 6, in order to support .NET's requirements.
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http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndotnet/html/pdc_eiffel.asp