#12 – Markup and Code Behind

WPF applications are made up of markup (XAML) and code-behind (managed code).  The markup defines the layout and appearance of the application, whereas the code-behind defines the behavior.

WPF markup is written using XAML, a declarative markup language based on XML.  The XAML lists the controls that make up the application, how they are related, and how they appear.

        <Button Content="Save" Height="23" Name="btnSave" Width="75" Click="btnSave_Click" />
        <Button Content="Load" Height="23" Name="btnLoad" Width="75" Click="btnLoad_Click" />

The code-behind is the part of your application that exists as managed code (e.g. C#) and describes the behavior of the application at runtime.

private void btnSave_Click(object sender, RoutedEventArgs e)
    // Do actual work of saving file here

About Sean
Software developer in the Twin Cities area, passionate about .NET technologies. Equally passionate about my own personal projects related to family history and preservation of family stories and photos.

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