Источник:
https://blogs.msdn.microsoft.com/mfp...ess-modifiers/
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The access modifiers in X++ are now much closer to C#'s access modifiers, and behave just the same. Who can access foo() when it is…? Please notice protected internal is the union of protected and internal. I.e. a protected internal method can still be referenced by subclasses outside the defining model. The extensibility attributes...
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Источник:
https://blogs.msdn.microsoft.com/mfp...ess-modifiers/