static void Main(string[] args)
{
// assign the deleate
PerformCalc myDelegate = PerformCalcMethod;
// call the method several times
myDelegate.BeginInvoke(0, int.MaxValue, 1, AsyncMethodCallback, myDelegate);
myDelegate.BeginInvoke(0, int.MaxValue / 2, 1, AsyncMethodCallback, myDelegate);
myDelegate.BeginInvoke(0, int.MaxValue / 4, 4, AsyncMethodCallback, myDelegate);
Console.WriteLine("Async methods are running...");
// wait for input before exiting
Console.WriteLine("Press enter to finish");
Console.ReadLine();
}
static void Main(string[] args)
{
Calculator calc = new Calculator();
// get the delegate
PerformCalc del = calc.CalcDelegate;
// invoke the delegate to get a result
int result = del(10, 20);
// print out the result
Console.WriteLine("Result: {0}", result);
// wait for input before exiting
Console.WriteLine("Press enter to finish");
Console.ReadLine();
}
static void Main(string[] args)
{
// create a new Calculator
Calculator calc = new Calculator();
// get a delegate
PerformCalc del = calc.GetDelegate(Calculator.Modes.Normal);
// use the delegate
Console.WriteLine("Normal product: {0}", del(10, 20));
// get a delegate
del = calc.GetDelegate(Calculator.Modes.Iterative);
// use the delegate
Console.WriteLine("Iterative product: {0}", del(10, 20));
// wait for input before exiting
Console.WriteLine("Press enter to finish");
Console.ReadLine();
}
static void Main(string[] args)
{
// assign the deleate
PerformCalc myDelegate = PerformCalcMethod;
// call the method several times
IAsyncResult res1 = myDelegate.BeginInvoke(0, int.MaxValue, 1, AsyncMethodCallback, myDelegate);
IAsyncResult res2 = myDelegate.BeginInvoke(0, int.MaxValue / 2, 1, AsyncMethodCallback, myDelegate);
IAsyncResult res3 = myDelegate.BeginInvoke(0, int.MaxValue / 4, 4, AsyncMethodCallback, myDelegate);
Console.WriteLine("Async methods are running...");
// wait for each of the async methods to complete
res1.AsyncWaitHandle.WaitOne();
res2.AsyncWaitHandle.WaitOne();
res3.AsyncWaitHandle.WaitOne();
Console.WriteLine("Async methods have all completed");
// wait for input before exiting
Console.WriteLine("Press enter to finish");
Console.ReadLine();
}
static void Main(string[] args)
{
// assign the deleate
PerformCalc myDelegate = PerformCalcMethod;
// call the method several times
IAsyncResult res1 = myDelegate.BeginInvoke(0, int.MaxValue, 1, null, myDelegate);
IAsyncResult res2 = myDelegate.BeginInvoke(0, int.MaxValue / 2, 1, null, myDelegate);
IAsyncResult res3 = myDelegate.BeginInvoke(0, int.MaxValue / 4, 4, null, myDelegate);
Console.WriteLine("Async methods are running...");
foreach (IAsyncResult res in new IAsyncResult[] { res1, res2, res3 })
{
long result = myDelegate.EndInvoke(res);
Console.WriteLine("Result: {0}", result);
}
Console.WriteLine("Async methods have all completed");
// wait for input before exiting
Console.WriteLine("Press enter to finish");
Console.ReadLine();
}
public Calculator()
{
perfCalc = CalculateProduct;
}
public Calculator()
{
perfCalc = CalculateProduct;
}
