static void Main()
{
Console.WriteLine("[{0}] Main called", Thread.CurrentThread.ManagedThreadId);
BinaryOperation asyncAdd = Add;
//Add method run by threadpool thread;
IAsyncResult asyncResult = asyncAdd.BeginInvoke(2, 2, new AsyncCallback(callBack), null);
//Blocks the main thread till the add operation invoked by Begin Invoke finishes.
int res = asyncAdd.EndInvoke(asyncResult);
Console.WriteLine("BeginInvoke finished with result {0}", res);
//Thread.Sleep((1000));
}
static void AddComplete(IAsyncResult asyncResult)
{
Console.WriteLine("AddComplete() invoked on thread {0}.",
Thread.CurrentThread.ManagedThreadId);
Console.WriteLine("Your addition is complete");
AsyncResult concreteAsyncResult = (AsyncResult)asyncResult;
BinaryOperation operation =
(BinaryOperation)concreteAsyncResult.AsyncDelegate;
Console.WriteLine("10 + 10 is {0}.", operation.EndInvoke(asyncResult));
string msg = (string)asyncResult.AsyncState;
Console.WriteLine(msg);
isDone = true;
}
static void Main(string[] args)
{
try
{
Console.WriteLine($"Main method started {Thread.CurrentThread.ManagedThreadId}");
BinaryOperation objBinary = AddAndMult;
IAsyncResult cookie = objBinary.BeginInvoke(3, 4, null, null);
Thread.Sleep(1000);
Console.WriteLine($"Main method ended {Thread.CurrentThread.ManagedThreadId}");
int res = objBinary.EndInvoke(cookie);
Console.WriteLine(res);
Console.ReadLine();
}
catch (Exception ex)
{
Console.WriteLine("Exception Raised");
Console.ReadLine();
}
}
static void Main(string[] args)
{
cw("**** Synch Delegate Review ****");
cw("Main invoked on thread " + Thread.CurrentThread.ManagedThreadId);
BinaryOperation add = Add;
// begin async
var asyncResult = add.BeginInvoke(5, 5, null, null);
while (!asyncResult.AsyncWaitHandle.WaitOne(1000, true))
{
cw("Doing more work in Main");
}
// end async
int answer = add.EndInvoke(asyncResult);
cw("5 + 5 is " + answer);
cr();
}
static void Main(string[] args)
{
Console.WriteLine("[{0}] Main called", Thread.CurrentThread.ManagedThreadId);
#if (false)
Add(2, 2);
#else
BinaryOperation binaryOp = Add;
//https://msdn.microsoft.com/en-us/library/2e08f6yc(v=vs.110).aspx
//https://www.codeproject.com/Articles/10311/What-s-up-with-BeginInvoke
//This makes a call to ThreadPool.QueueUserWorkItem and executes the Add method
IAsyncResult asyncResult = binaryOp.BeginInvoke(2, 2, null, null);
binaryOp.EndInvoke(asyncResult);
#endif
Console.WriteLine("[{0}] Main Done", Thread.CurrentThread.ManagedThreadId);
int i = 20;
//i.Saleem();
}
public static void Main(string[] args)
{
Console.WriteLine("Synch Delegate Review");
Console.WriteLine("Main() invoked on thread {0}",
Thread.CurrentThread.ManagedThreadId);
BinaryOperation binaryOperation = new BinaryOperation(Add);
IAsyncResult asyncResult = binaryOperation.BeginInvoke(10, 10, null, null);
while (!asyncResult.AsyncWaitHandle.WaitOne(1000, true))
{
Console.WriteLine("Doing more work in Main()!");
Thread.Sleep(1000);
}
int answer = binaryOperation.EndInvoke(asyncResult);
Console.WriteLine("10 + 10 is {0}.", answer);
Console.Write("Press any key to continue . . . ");
Console.ReadKey(true);
}
