title: How to add a Bookmark control to a Word document at runtime
body: <p>I want to add in a C# application a bookmark to a particular range to my Word document at runtime . I have found one solution 
  <code>Microsoft.Office.Tools.Word.Bookmark bookmark1;
  bookmark1 = this.Controls.AddBookmark(this.Paragraphs[1].Range, "bookmark1");</code></p>
  
  <p>But an error shows that the Windows form has no definition for <code>AddBookmark</code>. Please help.</p>