using System; using System.Diagnostics; class BaseClass { [Conditional ("AAXXAA")] public virtual void ConditionalMethod () { Environment.Exit (1); } } class TestClass: BaseClass { public override void ConditionalMethod () { base.ConditionalMethod (); } } class MainClass { public static int Main() { TestClass ts = new TestClass (); ts.ConditionalMethod (); Console.WriteLine ("Succeeded"); return 0; } }