As far as you need to be concerned as a .NET developer, you can freely interchange them as and when you feel like it.

As far as you need to be concerned as a .NET developer, you can freely interchange them as and when you feel like it.
Learn about the COM Interoperability improvements coming with the .NET Framework 4.0 and how they will make your COM Interop such as Office applications much easier.
Discover how CCR can work with the .NET Ping class APM functions.
An ADO.NET Data Services Tutorial covering REST, querystring operations and expressions, HTTP verbs, Linq to Data Services, security, exceptions and tracing.
This tip looks at properly closing a WCF connection from your application - whether you're using the proxy classes or a ChannelFactory.
Learn about several features relevant to developers in Visual Studio 2010 and the .NET Framework 4.0, such as parallel programming, XSLT debugging, new ASP.NET features, and new VB.NET and C# features that include the Chart control, XSD Designer, Lambda Expressions, and optional parameters.
Become more proficient on the usage of statements to control the flow of execution through a C++/CLI application.
Explore new ways to run processes under Windows. Some might even surprise you.
You can change your input language dynamically. Make it easier for those who speak other languages to use your software.
Have you ever wanted to control your garage door from your smartphone? Here is your chance. Get your hands dirty with an Arduino Garage Door Controller.