Mark J Collins's Beginning WF : Windows Workflow in .NET 4.0 PDF

By Mark J Collins

ISBN-10: 1430224851

ISBN-13: 9781430224853

ISBN-10: 143022486X

ISBN-13: 9781430224860

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The workflow will then compute the total cost of the order and return it to the application. Defining the Order Class The first step is to define the data structure that will contain the order details. 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.

0, however, is a completely new design. 0 are not interchangeable with previous versions. 5 approach. 0 paradigm; either will work fine. But you cannot switch back and forth, except for a few scenarios that are described later in this book. 5, there was a code class and a designer class. The code class contained the implementation for the CodeActivity objects. It also contained the definition of the class members and the event handler code. 0, there is no code class. 0. 0 provides activities to accomplish some of the common tasks previously performed by CodeActivity objects.

In this case, it is assigning integer values, so it was created as Assign. The To and Value properties also use template classes and should be created with the same type (). The To property is an OutArgument class, which takes a Variable class in its constructor. The Value property uses an InArgument class. You used this before for the If and While Condition property. For its constructor, it uses a lambda expression just as you did for the Condition property. Sequence In the While activity, you created an empty Sequence for the Execute property.

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

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