While a named parameter is used to specify an argument based on the name of the argument and not the position, an optional parameter can be used to omit one or more parameters in the method signature.

Optional and named parameters were added to the C# language for COM and Office interoperability, but these features are actually useful in a variety of ways.

Practical .NET Move Beyond Factory Methods with the Builder Pattern in C#/Visual Basic When your objects get sufficiently complicated to create, it's time to simplify your life by moving to the ...

Several classes in the .NET Framework Base Class Library (BCL) provide both synchronous and asynchronous method signatures. Because a synchronous method call can create a delay in program flow, an ...