title: Making specific text bold in a string in C# Windows Forms
body: <p>I want to make part of the text bold in a textbox, for example the textbox contains.</p>
  
  <p>"This is a text box"</p>
  
  <p>So it will be "This <strong>is</strong> a text box"</p>
  
  <p>How can I do it in C# Windows Forms?</p>