test.cs

// create a data object
var dummyData = new Report() {
  Company = "Text Control, LLC",
  Website = new Hyperlink() {
    Text = "Visit us",
    Target = "https://www.textcontrol.com"
  }
};

// merge using MailMerge
using (TXTextControl.DocumentServer.MailMerge mm =
  new TXTextControl.DocumentServer.MailMerge() { TextComponent = textControl1 }) {

  // magic happens in the FieldMerged event
  mm.FieldMerged += Mm_FieldMerged;
  mm.MergeObject(dummyData);
}