Book Image

Microsoft .NET Framework 4.5 Quickstart Cookbook

By : Jose Luis Latorre
Book Image

Microsoft .NET Framework 4.5 Quickstart Cookbook

By: Jose Luis Latorre

Overview of this book

With about ten years since its first release, Microsoft's .NET Framework 4.5 is one of the most solid development technologies to create casual, business, or enterprise applications. It has evolved into a very stable framework and solid framework for developing applications, with a solid core, called the CLR (Common Language Runtime) Microsoft .NET Framework 4.5 includes massive changes and enables modern application and UI development."Microsoft .Net Framework 4.5 Quickstart Cookbook" aims to give you a run through the most exciting features of the latest version. You will experience all the flavors of .NET 4.5 hands on. The “How-to” recipes mix the right ingredients for a final taste of the most appetizing features and characteristics. The book is written in a way that enables you to dip in and out of the chapters.The book is full of practical code examples that are designed to clearly exemplify the different features and their applications in real-world development. All the chapters and recipes are progressive and based on the fresh features on .NET Framework 4.5.The book will begin by teaching you to build a modern UI application and improve it to make it Windows 8 Modern UI apps lifecycle model-compliant. You will create a portable library and throttle data source updating delays. Towards the end of the book, you will create you first Web API.
Table of Contents (19 chapters)
Microsoft .NET Framework 4.5 Quickstart Cookbook
Credits
About the Author
Acknowledgment
About the Reviewers
www.PacktPub.com
Preface
Index

Creating a state machine workflow


State machines are not a new citizen of WF but are now here to stay as a solid part of WF. They have a new type of activity, the StateMachine activity, with two classes to help us define a state machine: state and transition. State helps us define a state that the machine can then be in and a transition helps us define which state changes can occur from a specific state.

In this recipe, we will see how to create a state machine workflow with WF 4.5, execute it, and debug it.

Getting ready

In order to use this recipe, you should have Visual Studio 2012 installed.

How to do it...

We are going to create a state machine workflow using the following steps:

  1. First open Visual Studio 2012, create a new project by navigating to Visual C# | Workflow, and use the Workflow Console Application template to create a new project. Name it WFStateMachine and click on Ok.

  2. Close the Workflow1.xaml file that will open on creating the project and rename it to MyStateMachine.xaml. To...