سلام
این کد رو امتحان کنید

ConsoleKeyInfo cki;

do {
Console.WriteLine("\nPress Any Key");

// call Method A() here

while (Console.KeyAvailable == false)
Thread.Sleep(30000); // Loop until input is entered.
cki = Console.ReadKey(true);
Console.WriteLine("You pressed the '{0}' key.", cki.Key);
} while(Console.ReadKey(true));
}