public bool RemoveChartPoints(string projName)
        {
            IProjectChartPoints pcp = GetProjectChartPoints(projName);

            if (pcp != null)
            {
                IFileChartPoints fCPs = null;
                while ((fCPs = pcp.filePoints.FirstOrDefault()) != null)
                {
                    if (fCPs.linePoints.Count == 0)
                    {
                        pcp.filePoints.Remove(fCPs);
                    }
                    else
                    {
                        ILineChartPoints lCPs = null;
                        while ((lCPs = fCPs.linePoints.FirstOrDefault()) != null)
                        {
                            if (lCPs.chartPoints.Count == 0)
                            {
                                fCPs.RemoveLineChartPoints(lCPs);
                            }
                            else
                            {
                                IChartPoint cp = null;
                                while ((cp = lCPs.chartPoints.FirstOrDefault()) != null)
                                {
                                    lCPs.RemoveChartPoint(cp);
                                }
                            }
                        }
                    }
                }
                data.projPoints.Remove(pcp);
            }

            return(true);
        }