Inherit the Private Class and Access the Private Variables in C#

Question

Hi all, I want to inherit the private class and access the private variables is it possible?

Vulpes · Answer

It's possible for a class B to inherit from a private class A if both A and B are nested within some other class C. It's also possible to instantiate and access the private members of a private class using reflection. Here's an example which illustrates both concepts: using System; using System.Reflection; class Outer { private class Inner { internal int i = 3; } private class Inner2 : Inner { private int j = 4; } } class Test { static void Main() { Type t = typeof(Outer); BindingFlags bf = BindingFlags.NonPublic; Type t2 = t.GetNestedType("Inner2", bf); object obj = Activator.CreateInstance(t2); BindingFlags bf2 = BindingFlags.Instance | BindingFlags.NonPublic; FieldInfo fi = t2.GetField("i", bf2); Console.WriteLine("i = {0}", fi.GetValue(obj)); // i = 3 FieldInfo fi2 = t2.GetField("j", bf2); Console.WriteLine("j = {0}", fi2.GetValue(obj)); // j = 4 Console.ReadKey(); } }

Inherit the Private Class and Access the Private Variables in C#

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