public HorizontalBracket(EquationContainer parent, HorizontalBracketSignType signType) : base(parent) { topEquation = new RowContainer(this); bottomEquation = new RowContainer(this); bracketSign = new HorizontalBracketSign(this, signType); childEquations.Add(topEquation); childEquations.Add(bracketSign); childEquations.Add(bottomEquation); }