Understand from this guide how and when - as well as when not - to use multithreading.
Latest Threading Articles
Using the Task Parallel Library and PLINQ to Go Parallel
With more and more computers using a multi-core processor, the free lunch of increased clock speeds and the inherent performance gains are over. Software developers must instead make sure their applications take use of all the cores available in an efficient manner. New features in .NET 4.0 mean that managed code developers too can join the party.
Safe Multithreading with the BackgroundWorker Component
Until the .NET Framework controls are thread safe, you will have to use Control.Invoke and delegates to marshal data from background worker threads to the Windows Form thread.
Batched Execution Using the .NET Thread Pool
The .NET thread pool's functionality for executing multiple tasks sequentially in a wave or group is insufficient. Luckily, a Visual C++.NET helper method that uses other types within the System.Threading namespace provides this batch-execution model.
Attributes
C# provides a mechanism for defining declarative tags, called attributes, which you can place on certain entities in your source code to specify additional information. The information that attributes contain can be retrieved at run time through reflection. You can use or you can define your own custom attributes.
Changing the Default Limit of 25 Threads of the ThreadPool Class
It should be a simple function call to change the default thread limit of 25 threads of the ThreadPool class per processor. But, it's not that easy at all. Learn the way to do this.
Latest CodeGuru Developer Columns
C++ Exception Handling: How to Handle Exceptions in C++
Learn to implement exception handling mechanism in C++.

Integrating Adaptive Cards with the .NET Bot Framework
An adaptive card is a piece of UI defined by the developer and rendered by the native app to display content to the user. Learn to use one here.

Creating a Tile Slide Puzzle Game in VB.NET
Create a Tile Slide game with Visual Basic.NET.
Programming Devices and Activities from the Microsoft Graph APIs
With Microsoft's new Project Rome, the user experience across all platforms (Windows, iOS, or Android) will be seamless among different hardware.