Function penNegative

qcustomplot/qcustomplot.h:5906–5906

  QBrush brushNegative() const { return mBrushNegative; }
  QPen penPositive() const { return mPenPositive; }
  QPen penNegative() const { return mPenNegative; }
  
  // setters:
  void setData(QSharedPointer<QCPFinancialDataContainer> data);