private void btnCompute_Click(object sender, RoutedEventArgs e)
{
ulong arg = ulong.Parse(txtArg.Text);
lblStatus.Content = "Calculating...";
pC.BeginInvoke(arg, FactorialCompleted, null);
}
static void Main(string[] args)
{
Action <int, int> action = New;
Func <int, int, string> func = Populate;
Predicate <int> predicate = Compare;
//Creates a new PerformCalculation type
PerformCalculation performCalculation = new PerformCalculation(Add);
PerformCalculation perform = Add;
perform += Multiply;
//add method to feedback to user
//add methods to store data in database, send Mail
performCalculation(40, 45);
performCalculation.Invoke(40, 45);
perform.BeginInvoke(40, 45, null, null);
//feedback to the user synchronously
// store data in database, send Mail runs asynchronously on another thread
int sam = perform.EndInvoke(null);
}
