Hyperlink Class

<!--A RichTextBox with hyperlink.-->
<RichTextBox IsReadOnly="True">
    <Paragraph>
        Displaying text with <Hyperlink NavigateUri="http://www.msdn.com" TargetName="_blank">hyperlink</Hyperlink>.
    </Paragraph>
</RichTextBox>

//A RichTextBox with hyperlink.
private void HyperlinkRTB()
{
    //Create a new RichTextBox.
    RichTextBox MyRTB = new RichTextBox();

    // Create a Run of plain text and hyperlink.
    Run myRun = new Run();
    myRun.Text = "Displaying text with ";
    Hyperlink MyLink = new Hyperlink();
    MyLink.Inlines.Add("hyperlink");
    MyLink.NavigateUri = new Uri("http://www.msdn.com");
    MyLink.TargetName = "_blank";

    // Create a paragraph and add the Run and hyperlink to it.
    Paragraph myParagraph = new Paragraph();
    myParagraph.Inlines.Add(myRun);
    myParagraph.Inlines.Add(MyLink);

    // Add the paragraph to the RichTextBox.
    MyRTB.Blocks.Add(myParagraph);

    //Add the RichTextBox to the StackPanel.
    MySP.Children.Add(MyRTB);
}