using System; public class MyClass : IDisposable { protected string name; public MyClass(string name) { this.name = name; } override public string ToString() { return name; } ~MyClass() { Dispose(); Console.WriteLine("~MyClass()"); } public void Dispose() { Console.WriteLine("MyClass.Dispose()"); GC.SuppressFinalize(this); } } public class SonOfMyClass : MyClass, IDisposable { public SonOfMyClass(string name) : base(name) { } override public string ToString() { return name; } ~SonOfMyClass() { Dispose(); Console.WriteLine("~SonOfMyClass()"); } new public void Dispose() { base.Dispose(); GC.SuppressFinalize(this); } } class DerivedDisposeApp { static void Main(string[] args) { DoSomething(); } static void DoSomething() { SonOfMyClass s = new SonOfMyClass("Bar"); Console.WriteLine(s); s.Dispose(); } }