Help with Task parallel library usage?

I don't know if this is causing execution to stop, but perhaps it's because you're closing over the loop variable here: DoSomeWork(someValue)) You need to create a local variable and assign someValue to it, and then use that local variable, as is described in my linked question, like so: foreach(var someValue in aCollection) { var localCopy = someValue; var t = Task.Factory. StartNew(() => DoSomeWork(localCopy)); tasks. Add(t); } Again, I've no idea if that is the problem to your deadlock issue, but that is one issue that will most likely cause problems.

I don't know if this is causing execution to stop, but perhaps it's because you're closing over the loop variable here: DoSomeWork(someValue)); You need to create a local variable and assign someValue to it, and then use that local variable, as is described in my linked question, like so: foreach(var someValue in aCollection) { var localCopy = someValue; var t = Task.Factory. StartNew(() => DoSomeWork(localCopy)); tasks. Add(t); } Again, I've no idea if that is the problem to your deadlock issue, but that is one issue that will most likely cause problems.

Yes. That was the issue. Thanks.

+1. How about the sequence thing? Any idea?

– stackoverflowuser Feb 8 at 0:00 1 You can just use a for loop in conjunction with this overload of Task. The object passed in gets assigned to AsyncState, and can be anything, it's completely arbitrary. In this case, just pass in the iterator variable (i) and retrieve it when WaitAll exits.

– nasufara Feb 8 at 0:05 An example would really help. Thanks. – stackoverflowuser Feb 8 at 1:31 Wait, your second question, I read it more carefully, do you mean you want to know which task was started first, or which one ended first?

– nasufara Feb 8 at 1:54.

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