XAML Unleashed

Using Binding in C#

The following translates the use of the Binding markup extension to C#, assuming the relevant Run is given the name run:

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Binding binding = new Binding();// Set source objectbinding.Source = this.textBox;// Set source propertybinding.Path = new PropertyPath("Text");// Attach to target propertythis.run.SetBinding(Run.TextProperty, binding);

In C#, you can’t set run’s Text property to a Binding instance, because Text must be a string. The magic that is abstracted away by the markup extension in XAML is simply a call to run’s SetBinding method (inherited from FrameworkElement) that identifies which property to associate with the binding using the relevant static DependencyProperty property. This makes ...