using System;

public class Program

{

    public static void Main()

    {

        childclass c = new childclass();

        c.Dispose();

        Console.WriteLine("Hello World");

    }

}

public class SupperClass:IDisposable{

    protected bool disposed;

    InteractDb _db;

    public SupperClass(){ Console.WriteLine("Initialized SupperClass");}

    public SupperClass(InteractDb db){

        _db = db;

    }

    ~SupperClass(){

        Dispose(false);

    } 

    public void Dispose()

    {

     this.Dispose(true);

     GC.SuppressFinalize(this);

    }

    protected virtual void Dispose(bool disposing)

        {

​

            if (!disposed)

            {

                if (disposing)

                {

                    _db.getState = false;

                    Console.WriteLine("Disposed supper DB class");

                    Console.WriteLine(_db.getState.ToString());

                }

            }

            disposed = true;

        }

}

public class childclass:SupperClass{

    public childclass():base(new InteractDb()){}

    ~childclass(){

        Dispose();

    }

}

public class InteractDb{

    bool state;

    public bool getState{

        get{return state;}

        set{state = value;}

    }

    public InteractDb() { 

        bool state = true;

        Console.WriteLine("InteractDb Initialized"); 

    }

}