Sets or returns a boolean that represents if a character run has the Double strikethrough effect, displaying a double line through the text.

 public boolean DoubleStrike{ get; set; }
Public Property DoubleStrike() As Boolean

MS Word equivalent: Format menu > Font... > Font tab > Effects section > Double strikethrough

          //--- Return DoubleStrike
          bool doubleStrike = oFont.DoubleStrike;

          //--- Set Engraved
          oFont.DoubleStrike = true;

          '--- Return Engraved
          Dim doubleStrike As Boolean = oFont.DoubleStrike

          '--- Set Engraved
          oFont.DoubleStrike = True