static void UseStopwatch(MyWatch myWatch, string command)
{
switch (command)
{
case "start":
try
{
myWatch.Start();
}
catch (InvalidOperationException)
{
Console.WriteLine("stopWatch is already started\n");
}
break;
case "stop":
try
{
myWatch.Stop();
Console.WriteLine("Duration: {0}\n", myWatch.GetDuration());
}
catch (InvalidOperationException)
{
Console.WriteLine("stopWatch is not started\n");
}
break;
default:
break;
}
}
static void Main(string[] args)
{
MyWatch myWatch = new MyWatch();
while (true)
{
Console.WriteLine("Enter 'start' to start Stopwatch\nEnter 'stop' to end Stopwach\nEnter any key to exit:\n");
var input = Console.ReadLine().ToLower();
if (input == "start" || input == "stop")
{
UseStopwatch(myWatch, input);
}
else
{
return;
}
}
}
