Method clearGraphs

qcustomplot.cpp:13764–13770

! Removes all graphs from the plot and deletes them. Corresponding legend items are also removed from the default legend (QCustomPlot::legend). Returns the number of graphs removed. \see removeGraph */

  \see removeGraph
*/
int QCustomPlot::clearGraphs()
{
  int c = mGraphs.size();
  for (int i=c-1; i >= 0; --i)
    removeGraph(mGraphs[i]);
  return c;
}

/*!
  Returns the number of currently existing graphs in the plot