Performing basic operations with a task

This recipe will describe how to get the result value from a task. We will go through several scenarios to understand the difference between running a task on a thread pool or on a main thread.

Getting ready

To start this recipe, you will need Visual Studio 2012. There are no other prerequisites. The source code for this recipe could be found at BookSamples\Chapter4\Recipe2.

How to do it...

To perform basic operations with a task, perform the following steps:

1. Start Visual Studio 2012. Create a new C# Console Application project.
2. In the Program.cs file, add the following using directives:

   using System;
   using System.Threading;
   using System.Threading.Tasks;

3. Add the following code snippet below the Main method:

   static Task<int>CreateTask(string name){
     return new Task<int>(() =>TaskMethod(name));
   }
   
   static int TaskMethod(string name){
     Console.WriteLine("Task {0} is running on a thread id{1}. Is thread pool thread: {2}",name,Thread.CurrentThread...