static void Main(string[] args)
{
StopWatch sw = new StopWatch();
while (true)
{
Console.WriteLine("Press S for start, E for end: ");
if (Console.ReadKey().Key.Equals(ConsoleKey.S))
{
try
{
sw.Start();
Console.WriteLine("Stopwatch started!!!");
}
catch (InvalidOperationException ex)
{
Console.WriteLine(ex.Message);
}
}
if (Console.ReadKey().Key.Equals(ConsoleKey.E))
{
try
{
sw.Stop();
Console.WriteLine("Stopwatch ended!!! Result: " + sw.GetValue());
}
catch (InvalidOperationException ex)
{
Console.WriteLine(ex.Message);
}
}
}
}
