C# framework 3.5:how wait multiple threads to complete?

Posted on 2009-07-03
Last Modified: 2013-12-17
C# framework 3.5:how wait multiple threads to complete?for example I have three threads and I want to wait to complete all (3 threads);
if (_couponCounter >= Constants.PacketProcessedcoupons || NoCouponFound == true)


                        StoredProceduresData._1 = new Thread(new   ThreadStart(StoredProceduresData.CallSpInsertColumns_1));

                        StoredProceduresData._2 = new Thread(new ThreadStart(StoredProceduresData.CallSpInsertColumns_1));

                        StoredProceduresData._30 = new Thread(new ThreadStart(StoredProceduresData.CallSpInsertColumns_1));





//....Wait  until to complete ALL 3 threads...


                       // StoredProceduresData.CallSpInsertColumns();


                        _couponCounter = 0;


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Question by:nikavak
  • 2
LVL 53

Accepted Solution

Dhaest earned 500 total points
ID: 24771416
A way to solve it:
1. Create and start the threads. Each thread increments a synchronized global thread counter.

2. Have each thread signal that is is finished by decrementing the global counter.

3. Put the main process on a timer that periodically tests the counter, and idles the rest of the time. When the count gets to zero, take the next action.

Expert Comment

by:Rahul Goel
ID: 24771417
You can use the BackgroundWorker Threads instread of normal threads, it will intimate you when it endns and what is progress.
LVL 53

Expert Comment

ID: 24771424
Thread..::.Join Method

Blocks the calling thread until a thread terminates, while continuing to perform standard COM and SendMessage pumping.


Author Closing Comment

ID: 31599515
Thanks a lot

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