Method hasPlottable

3rdparty/qcustomplot/qcustomplot.cpp:14373–14376

! Returns whether this QCustomPlot instance contains the \a plottable. */

  Returns whether this QCustomPlot instance contains the \a plottable.
*/
bool QCustomPlot::hasPlottable(QCPAbstractPlottable *plottable) const
{
  return mPlottables.contains(plottable);
}

/*!
  Returns the graph with \a index. If the index is invalid, returns \c nullptr.