Optional parameters in C# 4.0
A while back I blogged about the great features of the Dynamic Language Runtime introduced in .Net 4.0. Today I will look into another great feature introduced in C# 4.0, namely the new named and optional parameters.
If you are familiar with C++, you have probably used optional parameters earlier, but C# has missed this feature until now. As a work around we had to use overloaded methods, but in the concept of clean code, I'd rather prefer to use optional parameters!
Dynamic Language Runtime in .Net 4.0
The upcoming .Net 4.0 contains many new and exciting features, in this blog post I will describe some of the new features of the DLR including the dynamic keyword.
To quote MSDN:
The dynamic language runtime (DLR) is a runtime environment that adds a set of services for dynamic languages to the common language runtime (CLR). The DLR makes it easier to develop dynamic languages to run on the .NET Framework and to add dynamic features to statically typed languages.
The architecture of the DLR in combination with the Common Language Runtime CLR and C#, IronPython, IronRuby and Visual Basic is visualized through this illustration:
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As seen from the illustration, the DLR adds three new and important features to the CLR:
What’s new in WPF 4.0
Microsoft has just release a series of short (15 minutes long) how-to videos for WPF 4.0 introducing the various new features of WPF 4.0.
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