Reduction of C # Types

Question

I master C # and got a little confused with the cast mechanism.

internal class Employee{ } internal class ExtendedEmployee : Employee{ } class Program { static void Main(string[] args) { ExtendedEmployee exE = new ExtendedEmployee(); Employee e = exE as Employee; Console.WriteLine(e.GetType()); } }

Logically, it should return the type Employee , however, it deduces that the type is ExtendedEmployee . What did I understand wrong? Explicit cast ( Employee ) too

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Accepted Answer · 2016-03-27T22:32:16

The GetType() function returns the real, dynamic type of an object by reference. You are not interested in the static type: you already know it.

The exE as Employee expression does not change the object itself, only the static type of the link changes. Both references e and exE point to the same object of the dynamic type ExtendedEmployee .

Reduction of C # Types

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