A design pattern isn’t a finished design that can be elektro transformed directly winforms into singleton code. A design pattern is a general repeatable solution to a commonly occurring problem in software design visualstudio. This educational package consists of 26 different projects that visual demonstrates the implementation of design patterns c-sharp in c# language library. Behavioral chainofresponsibility command interpreter iterator mediator memento observer state strategy templatemethod visitor creational abstractfactory wpf .net builder factorymethod nullobject objectpool prototype singleton s