Hidden WPF: Secrets for Creating Great Applications in Windows Presentation Foundation

Bindable Runs

In .NET 4.0, WPF introduced bindable Runs. A Run object allows you to display formatted text inside flow documents (the FlowDocument object). In the latest version, text can come from other controls, resources, or data-bound sources. Let’s see an example in which a Run object can show, via data-binding, the result of typing text inside a TextBox control, reflecting the content inside the FlowDocument:

<StackPanel>    <TextBox Name="TextBox1"/>    <FlowDocumentReader>        <FlowDocument>            <Paragraph>                <Run Text="This is a bindable run demo"/>                <Run Text="{Binding                 ElementName=TextBox1, Path=Text}"/>            </Paragraph>        </FlowDocument>    </FlowDocumentReader></StackPanel> ...