using System; using System.Threading; class MainClass { public static void Main() { bool ownsMutex; using (Mutex mutex = new Mutex(true, "MutexExample", out ownsMutex)) { if (ownsMutex) { Console.ReadLine(); mutex.ReleaseMutex(); } else { Console.WriteLine("Another instance of this application " + " already owns the mutex named MutexExample."); } } } }