Taskstarted and taskcompleted events for task parallel library

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I need a taskstarted and taskcompleted events to be fired when ever a task is started and completed when using TPL.Is there any way to accomplish this ?

Posted 5-May-12 18:47pm

Vasudevan Kannan

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Sandeep Mewara · Answer 1 · 2012-05-05T19:07:00

Solution 1

Here, have a look:
MSDN: Task Parallelism (Task Parallel Library)[^]
Using the Task Parallel Library (TPL) for Events [^]

Posted 5-May-12 19:07pm

Sandeep Mewara

Comments

Vasudevan Kannan 6-May-12 1:44am

The links are useful.For a more specific case ,how would you simplify this code below.Can you see the logic for setting and removing the busy indicator is repeated ?

ComponentViewModel.Instance.IsApplicationBusy = true;
ComponentViewModel.Instance.BusyMessage = "Loading...";

var task1 = Task.Factory.StartNew(() => DoTask1());
task1.ContinueWith(antecdent =>
{
ComponentViewModel.Instance.IsApplicationBusy = false;
CustomAction1();
}

Second Instance :

ComponentViewModel.Instance.IsApplicationBusy = true;
ComponentViewModel.Instance.BusyMessage = "Loading...";

var task2 = Task.Factory.StartNew(() => DoTask2());
task2.ContinueWith(antecdent =>
{
ComponentViewModel.Instance.IsApplicationBusy = false;
CustomAction2();
}