Visual Basic 2012 Unleashed (2nd Edition) by Del Sole Alessandro

Author:Del Sole, Alessandro [Del Sole, Alessandro]
Language: eng
Format: epub
Publisher: Pearson Education
Published: 2013-01-17T00:00:00+00:00

Figure 28.2. Available project templates for WPF applications.

Table 28.1. WPF Project Templates

This chapter shows you WPF in action with a desktop Windows application. Select the WPF application template and name the new project WPFDemo_Chapter28. After a few seconds, the IDE shows the code editor, so in Solution Explorer double-click the MainWindow.xaml file so you access the designer, as shown in Figure 28.3.

Figure 28.3. The IDE is ready on a new WPF project.

As you can see, things are a little different from a Windows Forms project. In the upper part of the IDE, you can see the designer showing the main window of the new application. On the left side is the Toolbox; this is a tool that you already understand and that contains specific WPF controls. In the lower part of the IDE is a special code editor for the eXtensible Application Markup Language (XAML, pronounced as ZAMEL) that you must know as a WPF developer. The next section describes XAML and explains how it works. In Solution Explorer, you can see a new kind of file, with the .xaml extension. Each .xaml file can represent a window, control (or set of controls), or set of resources. For each .xaml file there is a Visual Basic code-behind file (with a .xaml.vb extension) that you can access by expanding the filename. The reason for this separation between the .xaml file and the .xaml.vb file is part of a key concept in the WPF development, which is the separation of roles between developers and designers that is described better in the next section.

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