Removing notes and separate images

ConvertPDFtoPPTX.cs

private static void ConvertPDFtoPPTX(string inputFileName, string outputFileName)
{            
    var document = new Aspose.Pdf.Document(inputFileName);

    foreach (var page in document.Pages)
    {                
        RemoveAnnotations(page, Pdf.Annotations.AnnotationType.Ink);
        RemoveAnnotations(page, Pdf.Annotations.AnnotationType.Square);
    }

    var options = new Aspose.Pdf.PptxSaveOptions
    {
        SeparateImages = true,
        //CustomProgressHandler = ShowProgressOnConsole
    };

    document.Save(outputFileName, options);
}