Hi,
Classes and methods can be defined as static, freeing from the need to instantiate them. Keep in mind that this is not universally applicable because reduces flexibility:
Class with single method — best approach?StaticThe closest thing to what you're looking for is a kind of static method called "extension method" which became popular with advance of LINQ:
MSDNUsing extension methods, you no longer need to add "
using Helper" and/or instantiate its classes.