Источник:
https://blogs.msdn.microsoft.com/mfp...od-signatures/
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Method signatures are not extensible – and will not be. Extensible parameters would be intrusive – in so many ways: Breaks derived classes (signatures of overridden methods must match), Requires recompilation, No side-by-side support. Here are some alternatives. The request for adding a new parameter to a method as an extension...
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Источник:
https://blogs.msdn.microsoft.com/mfp...od-signatures/