PdfDocument pdf = new PdfDocument();
pdf.LoadFromFile(inputFile);

X509Certificate2 cert = new X509Certificate2(inputFile_pfx, "e-iceblue");
IPdfSignatureFormatter formatter = new PdfPKCS7Formatter(cert, false);
PdfMDPSignatureMaker pdfMDPSignatureMaker = new PdfMDPSignatureMaker(pdf, formatter);
PdfSignature signature = pdfMDPSignatureMaker.Signature;
signature.Name = "e-iceblue";
signature.ContactInfo = "028-81705109";
signature.Location = "chengdu";
signature.Reason = " this document";

PdfSignatureAppearance appearance = new PdfSignatureAppearance(signature);
appearance.NameLabel = "Signer: ";
appearance.ContactInfoLabel = "ContactInfo: ";
appearance.LocationLabel = "Loaction: ";
appearance.ReasonLabel = "Reason: ";
pdfMDPSignatureMaker.MakeSignature("signName", pdf.Pages[0], 100, 100, 250, 200, appearance);
foreach (HashAlgorithmType hashAlgorithmType in Enum.GetValues(typeof(HashAlgorithmType)))
{
    if (string.Equals(hashAlgorithmType.ToString(), "SM3", StringComparison.OrdinalIgnoreCase))
    {
        continue;
    }
    //default value of HashAlgorithm is SHA256
    formatter.Properties.HashAlgorithm = hashAlgorithmType;
    try
    {
        pdf.SaveToFile( "out.pdf", FileFormat.PDF);
    }
    catch (Exception ex)
    {
        Console.WriteLine($"error：{ex.Message}");
    }
}
pdf.Dispose();

ToPdfParameterList.IsAtlast-->ToPdfParameterList.IsAtLeast

Document doc = new Document();
doc.LoadFromFile(inputFile);
int count = 1;
foreach (Section sec in doc.Sections)
{
    foreach (Spire.Doc.Documents.Paragraph paragraph in sec.Paragraphs)
    {
        foreach (DocumentObject obj in paragraph.ChildObjects)
        {
            if (obj is ShapeObject shape)
            {
                Chart chart = shape.Chart;
                if (chart == null)
                    continue;

                string fileName = Path.Combine(outputPath, $"{count}.crtx");
                chart.SaveAsTemplate(fileName);
                count++;
            }
        }
    }
}

string genName = "Testing For Set Producer";
 Document doc = new Document();
 doc.LoadFromFile(filename);
 ToPdfParameterList toPdf = new ToPdfParameterList();
 toPdf.GeneratorName = genName;
 doc.SaveToFile("result.pdf", toPdf);

Document doc = new Document();
doc.LoadFromFile(inputFile);
StringBuilder sb = new StringBuilder();
int number = 1;

foreach (Section sec in doc.Sections)
{
    foreach (Paragraph paragraph in sec.Paragraphs)
    {
        for (int i = 0; i < paragraph.ChildObjects.Count; i++)
        {
            DocumentObject obj = paragraph.ChildObjects[i];
            if (obj is ShapeObject)
            {
                ShapeObject shape = obj as ShapeObject;
                Chart chart = shape.Chart;
                sb.Append("\r\n\r\nPage " + number + ":\r\n" + "Get all X-axis data: ");
                for (int x = 0; x < chart.XValues.Count; x++)
                {
                    ChartValue xVal = chart.XValues[x];
                    // Get all X-axis data values
                    sb.Append(xVal.StringValue + " "); 
                }
                // Get the first series
                ChartSeries series = chart.Series[0]; 
                sb.Append("\r\nGet Y-axis data: ");
                foreach (ChartValue yVal in series.YValues)
                {
                    // Get all Y-axis data values of the first series
                    sb.Append(yVal.Value + " ");  
                }
            }
        }
    }
    number++;
}

Document doc = new Document();
foreach (ChartDataLabelPosition position in Enum.GetValues(typeof(ChartDataLabelPosition)))
{
    Section section = doc.AddSection();
    section.AddParagraph().AppendText(position.ToString());
    Spire.Doc.Documents.Paragraph newPara = section.AddParagraph();
    ShapeObject shape = newPara.AppendChart(ChartType.Pie, 500, 300);
    Chart chart = shape.Chart;
    chart.Series[0].HasDataLabels = true;
    chart.Series[0].DataLabels.ShowCategoryName = true;
    chart.Series[0].DataLabels.ShowValue = true;
    // Set position
    chart.Series[0].DataLabels.Position = position;

    ShapeObject shape2 = newPara.AppendChart(ChartType.Bubble, 500, 300);
    Chart chart2 = shape2.Chart;
    chart2.Series[0].HasDataLabels = true;
    chart2.Series[0].DataLabels.ShowCategoryName = true;
    chart2.Series[0].DataLabels.ShowValue = true;
    chart2.Series[0].DataLabels.Position = position;
}
doc.SaveToFile(outputFile, FileFormat.Docx);
doc.Dispose();

 Document doc1 = new Document();
            doc1.LoadFromFile(inputFile_1);
            Document doc2 = new Document();
            doc2.LoadFromFile(inputFile_2);

            CompareOptions options = new CompareOptions();
            options.CompareMoves = false;
            options.IgnoreCaseChanges = false;
            options.IgnoreComments = true;
            options.IgnoreFields = true;
            options.IgnoreFootnotes = true;
            options.IgnoreTables = true;
            options.IgnoreTextboxes = true;
            doc1.Compare(doc2, "user", new DateTime(), options);

            doc1.SaveToFile(outputFile, FileFormat.Docx2013);

Presentation ppt = new Presentation();
            ppt.LoadFromFile(inputFile);
            SaveToVideoOption saveOption = new SaveToVideoOption(ffmpegDir);
            ppt.SaveToVideoOption=saveOption;//Default: 5 seconds per slide.
            ppt.SaveToFile(outputFile_mp4, FileFormat.MP4);
            ppt.SaveToFile(outputFile_wmv, FileFormat.WMV);
            ppt.Dispose();

Document doc = new Document();
        doc.loadFromFile(inputFile);
        int count = 1;
        for (Section sec : (Iterable) doc.getSections()) {
            for (Paragraph paragraph : (Iterable) sec.getParagraphs()) {
                for (int i = 0; i < paragraph.getChildObjects().getCount(); i++) {
                    DocumentObject obj = paragraph.getChildObjects().get(i);
                    if (obj instanceof ShapeObject) {
                        ShapeObject shape = (ShapeObject) obj;
                        Chart chart = shape.getChart();
                        String fileName = outputFile + count + ".crtx";
                        chart.saveAsTemplate(fileName);
                        count++;
                    }
                }
            }
        }

Document doc = new Document();
doc.loadFromFile(inputFile);
StringBuilder sb = new StringBuilder();
int pageNumber = 1;
for (Section sec : (Iterable) doc.getSections()) {
    for (Paragraph paragraph : (Iterable) sec.getParagraphs()) {
        for (int i = 0; i < paragraph.getChildObjects().getCount(); i++) {
            DocumentObject obj = paragraph.getChildObjects().get(i);
            if (obj instanceof ShapeObject) {
                ShapeObject shape = (ShapeObject) obj;
                Chart chart = shape.getChart();
                sb.append("\r\n\r\nPage " + pageNumber + ":\r\n" + "All X-axis data: ");
                for(int x = 0; x < chart.getXValues().getCount(); x++){
                    // Print all X-axis data values
                    ChartValue xVal = chart.getXValues().get(x);
                    sb.append(xVal.getStringValue() + " ");
                }
                ChartSeries series = chart.getSeries().get(0);
                sb.append("\r\nY-axis data: ");
                // Print all Y-axis data values of the first series
                for(ChartValue yVal : (Iterable<ChartValue>)series.getYValues()){
                    sb.append(yVal.getValue() + " ");
                }
            }
        }
    }
    pageNumber++;
}

Document doc = new Document();
for (ChartDataLabelPosition position : ChartDataLabelPosition.values()) {
    Section section = doc.addSection();
    section.addParagraph().appendText(position.name());
    Paragraph newPara = section.addParagraph();
    ShapeObject shape = newPara.appendChart(ChartType.Pie, 500, 300);
    Chart chart = shape.getChart();
    chart.getSeries().get(0).hasDataLabels(true);
    chart.getSeries().get(0).getDataLabels().setShowCategoryName(true);
    chart.getSeries().get(0).getDataLabels().setShowValue(true);
    chart.getSeries().get(0).getDataLabels().setPosition(position);
    ShapeObject shape2 = newPara.appendChart(ChartType.Bubble, 500, 300);
    Chart chart2 = shape2.getChart();
    chart2.getSeries().get(0).hasDataLabels(true);
    chart2.getSeries().get(0).getDataLabels().setShowCategoryName(true);
    chart2.getSeries().get(0).getDataLabels().setShowValue(true);
    chart2.getSeries().get(0).getDataLabels().setPosition(position);
}
doc.saveToFile(outputFile, FileFormat.Docx);

Document doc = new Document();
        doc.loadFromFile(inputFile);
        int count = 1;
        for (Section sec : (Iterable) doc.getSections()) {
            for (Paragraph paragraph : (Iterable) sec.getParagraphs()) {
                for (int i = 0; i < paragraph.getChildObjects().getCount(); i++) {
                    DocumentObject obj = paragraph.getChildObjects().get(i);
                    if (obj instanceof ShapeObject) {
                        ShapeObject shape = (ShapeObject) obj;
                        Chart chart = shape.getChart();
                        String fileName = outputFile + count + ".crtx";
                        chart.saveAsTemplate(fileName);
                        count++;
                    }
                }
            }
        }

Document doc = new Document();
doc.loadFromFile(inputFile);
StringBuilder sb = new StringBuilder();
int pageNumber = 1;
for (Section sec : (Iterable) doc.getSections()) {
    for (Paragraph paragraph : (Iterable) sec.getParagraphs()) {
        for (int i = 0; i < paragraph.getChildObjects().getCount(); i++) {
            DocumentObject obj = paragraph.getChildObjects().get(i);
            if (obj instanceof ShapeObject) {
                ShapeObject shape = (ShapeObject) obj;
                Chart chart = shape.getChart();
                sb.append("\r\n\r\nPage " + pageNumber + ":\r\n" + "All X-axis data: ");
                for(int x = 0; x < chart.getXValues().getCount(); x++){
                    // Print all X-axis data values
                    ChartValue xVal = chart.getXValues().get(x);
                    sb.append(xVal.getStringValue() + " ");
                }
                ChartSeries series = chart.getSeries().get(0);
                sb.append("\r\nY-axis data: ");
                // Print all Y-axis data values of the first series
                for(ChartValue yVal : (Iterable<ChartValue>)series.getYValues()){
                    sb.append(yVal.getValue() + " ");
                }
            }
        }
    }
    pageNumber++;
}

Document doc = new Document();
for (ChartDataLabelPosition position : ChartDataLabelPosition.values()) {
    Section section = doc.addSection();
    section.addParagraph().appendText(position.name());
    Paragraph newPara = section.addParagraph();
    ShapeObject shape = newPara.appendChart(ChartType.Pie, 500, 300);
    Chart chart = shape.getChart();
    chart.getSeries().get(0).hasDataLabels(true);
    chart.getSeries().get(0).getDataLabels().setShowCategoryName(true);
    chart.getSeries().get(0).getDataLabels().setShowValue(true);
    chart.getSeries().get(0).getDataLabels().setPosition(position);
    ShapeObject shape2 = newPara.appendChart(ChartType.Bubble, 500, 300);
    Chart chart2 = shape2.getChart();
    chart2.getSeries().get(0).hasDataLabels(true);
    chart2.getSeries().get(0).getDataLabels().setShowCategoryName(true);
    chart2.getSeries().get(0).getDataLabels().setShowValue(true);
    chart2.getSeries().get(0).getDataLabels().setPosition(position);
}
doc.saveToFile(outputFile, FileFormat.Docx);

textReplacer.ReplaceText("Text", "Replace", Color.get_Blue())