public static void Run()
{
// ExStart:RemoveFilesFromPortfolio
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_TechnicalArticles();
// Load source PDF Portfolio
Aspose.Pdf.Document pdfDocument = new Aspose.Pdf.Document(dataDir + "PDFPortfolio.pdf");
pdfDocument.Collection.Delete();
pdfDocument.Save(dataDir + "No_PortFolio_out.pdf");
// ExEnd:RemoveFilesFromPortfolio
}
}