Re: Status on synchronous call

Hi Paul,

Try this:

public class ThirdPartyClass
{
        // For simplicity, I'm assuming the method has no input or output and that it's static.
        public static void ThirdPartyMethod();
}

class YourClass
{
        delegate void ThirdPartyMethodDelegate();

        static void Main(string[] args)
        {
                ThirdPartyMethodDelegate d = new ThirdPartyMethodDelegate(ThirdPartyClass.ThirdPartyMethod);
                IAsyncResult asyncCall = d.BeginInvoke(null, null);
                try
                {
                        while (!asyncCall.IsCompleted)
                        {
                                Console.WriteLine("Still working...");

                                // Wait at most 500 milliseconds for the call to complete, then check for completion again.
                                asyncCall.AsyncWaitHandle.WaitOne(500);
                        }
                        Console.WriteLine("Done!");
                }
                finally
                {
                        d.EndInvoke(asyncCall);
                }
        }
}

Also see my article http://www.codeproject.com/KB/architecture/asyncgen.aspx, especially this paragraph: http://www.codeproject.com/KB/architecture/asyncgen.aspx#SynchronousInvocation15.

Regards,

Ron Inbar


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