System.IO.FileInfo.Delete C# (CSharp) Method

        public override void Delete()
        {
            FileSystem.Current.DeleteFile(FullPath);
        }

    private void ExportChart(string fileName, ISymbolicDataAnalysisSolution solution, string formula) {
      FileInfo newFile = new FileInfo(fileName);
      if (newFile.Exists) {
        newFile.Delete();
        newFile = new FileInfo(fileName);
      }
      var formulaParts = formula.Split(new string[] { Environment.NewLine }, StringSplitOptions.None);

      using (ExcelPackage package = new ExcelPackage(newFile)) {
        ExcelWorksheet modelWorksheet = package.Workbook.Worksheets.Add("Model");
        FormatModelSheet(modelWorksheet, solution, formulaParts);

        ExcelWorksheet datasetWorksheet = package.Workbook.Worksheets.Add("Dataset");
        WriteDatasetToExcel(datasetWorksheet, solution.ProblemData);

        ExcelWorksheet inputsWorksheet = package.Workbook.Worksheets.Add("Inputs");
        WriteInputSheet(inputsWorksheet, datasetWorksheet, formulaParts.Skip(2), solution.ProblemData.Dataset);

        if (solution is IRegressionSolution) {
          ExcelWorksheet estimatedWorksheet = package.Workbook.Worksheets.Add("Estimated Values");
          WriteEstimatedWorksheet(estimatedWorksheet, datasetWorksheet, formulaParts, solution as IRegressionSolution);

          ExcelWorksheet chartsWorksheet = package.Workbook.Worksheets.Add("Charts");
          AddCharts(chartsWorksheet);
        }
        package.Workbook.Properties.Title = "Excel Export";
        package.Workbook.Properties.Author = "HEAL";
        package.Workbook.Properties.Comments = "Excel export of a symbolic data analysis solution from HeuristicLab";

        package.Save();
      }
    }