Book Image

Microsoft Windows Workflow Foundation 4.0 Cookbook

By : Andrew Zhu
Book Image

Microsoft Windows Workflow Foundation 4.0 Cookbook

By: Andrew Zhu

Overview of this book

Windows Workflow Foundation 4.0 (WF) is a significant part of .NET Framework 4.0. WF makes workflow technology available to every single programmer that uses the .NET Framework 4.0. It is easy to create long running and distributed programs using WF with the right knowledge. With this book, you will discover that working with workflows is easy. This book provides both step-by-step recipes and relevant background information. It covers all the important aspects of Windows Workflow Foundation 4.0. The best thing about this book is that all recipes are based on real-world experiences of Andrew Zhu. Andrew is a global WF and BizTalk technology support engineer for Microsoft. This book covers everything you need to know, when working with workflows. Get to grips with flow control activities, messaging, and transaction processes with easy to understand steps followed by explanations. You will quickly learn to use collection and custom WF activities and WF services.You will see recipes that illustrate integration of Windows Workflow with other applications such as WPF, ASP.NET, WCF service.Lastly, you will discover how easily you can customize W4 Designer with WF rule engine and others.
Table of Contents (15 chapters)
Microsoft Windows Workflow Foundation 4.0 Cookbook
About the Author
About the Reviewers

Creating a pure WCF service

In case one is new to WCF, he/she can use this task to become familiar with fundamental WCF concepts. In this task, we will create a simple WCF stock price service host in IIS 7.

How to do it...

  1. Create a IIS Application:

    Right-click an IIS Site; we will see the menu shown in the following screenshot:

    Then create a StockPriceService application.

    Please remember its folder path. We will create files in this folder in the following steps.

    Please also note that the WCFSite should run in .NET Framework 4.0 application pool.

  2. Create WCF code:

    Create a new folder named App_Code in the application folder. Next, create a StockService.cs file in the App_Code folder. Fill the StockService.cs file with the following code:

    using System;
    using System.ServiceModel;
    namespace StockPriceService {
        public interface IStockService {
            double GetPrice(string ticket);
        public class StockService : IStockService {