Get a specific type nested within the current Type in C#

To get a specific type nested within the current Type, the code is as follows −

Example

 Live Demo

using System;
public class Demo {
   public static void Main() {
      Type type1 = typeof(Subject);
      try {
         Type type2 = type1.GetNestedType("AdvSubject");
         Console.Write("NestedType = "+ type2);
      }
      catch (ArgumentNullException e) {
         Console.Write("{0}", e.GetType(), e.Message);
      }
   }
}
public class Subject {
   public class BasicSubject {
      //
   }
   public class AdvSubject {
      //
   }
}

Output

This will produce the following output −

NestedType = Subject+AdvSubject

Example

Let us see another example −

 Live Demo

using System;
public class Demo {
   public static void Main() {
      Type type1 = typeof(Subject);
      try {
         Type type2 = type1.GetNestedType(null);
         Console.Write("NestedType = "+ type2);
      }
      catch (ArgumentNullException e) {
         Console.Write("{0}", e.GetType(), e.Message);
      }
   }
}
public class Subject {
   public class BasicSubject {
      //
   }
   public class AdvSubject {
      //
   }
}

Output

This will produce the following output −

System.ArgumentNullException

AmitDiwan

e

Updated on: 11-Dec-2019

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