Download Beginning WF : Windows Workflow in .NET 4.0 by Mark J Collins PDF

By Mark J Collins

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In the Solution Explorer, right-click the project and choose Add h Class, as shown in Figure 4-2. Figure 4-2. cs, and click Add. 46 CHAPTER 4 n PASSING ARGUMENTS Figure 4-3. Defining a new class The Solution Explorer should look like the one shown in Figure 4-4. Figure 4-4. Solution Explorer Enter the definition of the Order class, as shown in Listing 4-1. Listing 4-1. Generic; namespace OrderProcess { 47 CHAPTER 4 n PASSING ARGUMENTS public class OrderItem { public int OrderItemID { get; set; } public int Quantity { get; set; } public string ItemCode { get; set; } public string Description { get; set; } } public class Order { public Order() { Items = new List(); } public public public public int OrderID { get; set; } string Description { get; set; } decimal TotalWeight { get; set; } string ShippingMethod { get; set; } public List Items { get; set; } } } The Order class contains a few public members (OrderID, Description, TotalWeight, and ShippingMethod) plus a collection of OrderItem classes.

Hour }; Variable counter = new Variable() { Name = "counter", Default = 1 }; 24 CHAPTER 2 ■ CODED WORKFLOWS return new Sequence() { }; } The CreateWorkflow() method first creates two Variable template classes of type int, called numberBells and counter. These are the variables used by the various activities. The CreateWorkflow() method is declared to return an Activity, which is what the WorkflowInvoker class is expecting. It actually returns an anonymous instance of the Sequence class.

Hour >= 18. Connect the Afternoon branch of the first FlowDecision to the new activity. Set the FalseLabel to Afternoon and the TrueLabel to Evening. Drag two WriteLine activities onto the workflow and name them Afternoon and Evening, and set the Text as “Good Afternoon” and “Good Evening”, respectively. Connect the Evening branch of the second FlowDecision to “Evening” and the Afternoon branch to “Afternoon”. Your flowchart should look like the one shown in Figure 3-8. Figure 3-8. cs file. This code is identical to the file generated in Chapter 1.

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