我正在开发一个Xamarin应用程序，我在字符串中有以下文本。我试图在C＃中找到一种方法，在标签中显示此文本，并在标题中显示文字Bold（如果HTML标记为u，则加下划线或如果i标记为斜体）。
<b>What is Lorem Ipsum?</b>
Lorem Ipsum is simply dummy text of the printing and typesetting industry.
Lorem Ipsum has been the industry's standard dummy text ever since the
1500s, when an unknown printer took a galley of type and scrambled it to
make a type specimen book.
<b>Where does it come from?</b>
Contrary to popular belief, Lorem Ipsum is not simply random text. It has
roots in a piece of classical Latin literature from 45 BC, making it over
2000 years old.
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