AddPortion IText.AddPortion method Adds the portion of text to the end public void AddPortion ( ITextPortion portion ......ProducePortions ( new string [] { "E=mc" , "2\r" , "Bold" , "Italic\r" , "Lowercasetext"...// edit text style "2\r" newPortions [ 2 ]. Style . FauxBold...