int firstColumn = doc->GetBookmarks()->FindByName(L"t_insert")->GetFirstColumn();
int lastColumn = doc->GetBookmarks()->FindByName(L"t_insert")->GetLastColumn();

intrusive_ptr<TableStyle> tableStyle = Object::Dynamic_cast<TableStyle>(
    doc->GetStyles()->Add(StyleType::TableStyle, L"TestTableStyle1")
);
tableStyle->GetBorders()->SetColor(Color::GetBlue());
tableStyle->GetBorders()->SetBorderType(BorderStyle::Single);
tableStyle->SetHorizontalAlignment(RowAlignment::Center);

intrusive_ptr<Table> table = sec->AddTable();
table->ResetCells(1, 1);
table->GetRows()->GetItemInRowCollection(0)
    ->GetCells()->GetItemInCellCollection(0)
    ->AddParagraph()->AppendText(L"Aligned to the center of the page");
table->SetPreferredWidth(PreferredWidth::FromPoints(300));
table->ApplyStyle(tableStyle);

sec->AddParagraph()->AppendText(L"");
tableStyle = Object::Dynamic_cast<TableStyle>(
    doc->GetStyles()->Add(StyleType::TableStyle, L"TestTableStyle2")
);
tableStyle->SetLeftIndent(55);
tableStyle->GetBorders()->SetColor(Color::GetGreen());
tableStyle->GetBorders()->SetBorderType(BorderStyle::Single);

table = sec->AddTable();
table->ResetCells(1, 1);
table->GetRows()->GetItemInRowCollection(0)
    ->GetCells()->GetItemInCellCollection(0)
    ->AddParagraph()->AppendText(L"Aligned according to left indent");
table->SetPreferredWidth(PreferredWidth::FromPoints(300));
table->GetFormat()->SetStyle(tableStyle);

intrusive_ptr<TableStyle> tableStyle = Object::Dynamic_cast<TableStyle>(
    doc->GetStyles()->Add(StyleType::TableStyle, L"TestTableStyle1")
);

tableStyle->GetBorders()->SetColor(Color::GetBlack());
tableStyle->GetBorders()->SetBorderType(BorderStyle::Double);
tableStyle->SetRowStripe(3);
tableStyle->GetConditionalStyles()->GetItem(TableConditionalStyleType::OddRowStripe)
    ->GetShading()->SetBackgroundPatternColor(Color::GetLightBlue());
tableStyle->GetConditionalStyles()->GetItem(TableConditionalStyleType::EvenRowStripe)
    ->GetShading()->SetBackgroundPatternColor(Color::GetLightCyan());
tableStyle->SetColumnStripe(1);
tableStyle->GetConditionalStyles()->GetItem(TableConditionalStyleType::EvenColumnStripe)
    ->GetShading()->SetBackgroundPatternColor(Color::GetLightPink());

table->ApplyStyle(tableStyle);
table->GetFormat()->SetStyleOptions(TableStyleOptions::ColumnStripe);

tableStyle = Object::Dynamic_cast<TableStyle>(
    doc->GetStyles()->Add(StyleType::TableStyle, L"TestTableStyle3")
);
tableStyle->SetLeftIndent(55);
tableStyle->GetBorders()->SetColor(Color::GetGreen());
tableStyle->GetBorders()->SetBorderType(BorderStyle::Single);
tableStyle->SetHorizontalAlignment(RowAlignment::Right);

table = sec->AddTable();
table->ResetCells(1, 1);
table->GetRows()->GetItemInRowCollection(0)
    ->GetCells()->GetItemInCellCollection(0)
    ->AddParagraph()->AppendText(L"Aligned according to left indent");
table->SetPreferredWidth(PreferredWidth::FromPoints(300));
table->GetFormat()->SetStyleName(L"TestTableStyle3");

document->GetStyles()->GetItem(L"Normal")->RemoveSelf();

intrusive_ptr<Document> doc = ConvertUtil::GetNewEngineDocument();
intrusive_ptr<DocumentNavigator> navigator = new DocumentNavigator(doc);
doc->LoadFromFile(inputFile.c_str());
navigator->MoveToDocumentStart();
navigator->Writeln(L"Test insert at DocumentStart");
navigator->Writeln(L"Test insert without move");
navigator->MoveToDocumentEnd();
navigator->Writeln(L"Test insert at DocumentEnd");

doc->SaveToFile(outputFile.c_str(), FileFormat::Docx);
doc->Close();

// Insert an equation
sheet.getEquations().addEquation(11, 0, 100, 100, "x_{1}^{2}");

// Retrieve an equation
String mathML = sheet.getEquations().get(0).exportMathML();
String latex = sheet.getEquations().get(0).exportLaTeX();

// Update an equation
IXlsEquation equation1 = sheet.getEquations().get(0);
equation1.updateByLaTeXText("\\begin{pmatrix} \r\n  1 & 0 \\\\ \r\n  0 & 1 \r\n \\end{pmatrix} \r\n \\left(x-1\\right)\\left(x+3\\right)");

worksheet.getCellRange("A2").setFormula("=F.INV(0.99, 100, 200)");

worksheet.getCellRange("A2").setFormula("=T.INV.2T(0.05, 10)");

// Create a new PdfDocument object 'pdf1' to work with the first PDF file
        PdfDocument pdf1 = new PdfDocument();

        // Load the first PDF file from the specified path
        pdf1.loadFromFile("ComparePdfDocument_1.pdf");

        // Create a new PdfDocument object 'pdf2' to work with the second PDF file
        PdfDocument pdf2 = new PdfDocument();

        // Load the second PDF file from the specified path
        pdf2.loadFromFile("ComparePdfDocument_2.pdf");

        // Create a PdfComparer object 'compare' with 'pdf1' and 'pdf2' as parameters for comparison
        PdfComparer compare = new PdfComparer(pdf1, pdf2);

        // Set the page ranges to be compared using the options of the comparer
        compare.getOptions().setPageRanges(0, pdf1.getPages().getCount() - 1, 0, pdf2.getPages().getCount() - 1);

        String result = "output.pdf";
        File outFile = new File(result);

        // Create an output stream to write the document to the output file
        OutputStream outputStream = new FileOutputStream(outFile);

        // Compare the PDF documents and save 
        compare.compare(outputStream);

        // Dispose of system resources associated with 'pdf1'
        pdf1.dispose();

        // Dispose of system resources associated with 'pdf2'
        pdf2.dispose();

// Use BYROW to calculate the average of each row
sheet.Range["G2"].Formula = "=BYROW(B2:F2, LAMBDA(row, AVERAGE(row)))";
// Use BYCOL to calculate the average of each column
sheet.Range["B8"].Formula = "=BYCOL(B2:B7, LAMBDA(col, AVERAGE(col)))";

Workbook workbook = new Workbook();
workbook.LoadFromFile(inputFile);
Worksheet sheet = workbook.Worksheets[0];
CellRange cell = sheet.Range["A1:B3"];
string html = cell.HtmlString;
File.WriteAllText(outputFile, html);

CopyRangeOptions options = CopyRangeOptions.Transpose | CopyRangeOptions.All;
sheet["A1:C4"].Copy(sheet["D2:G3"], options);
sheet["A1:B5"].Copy(sheet["D5"], options);
workbook.SaveToFile(outputFile);

Workbook workbook = new Workbook();
workbook.LoadFromFile(inputFile);
workbook.ConverterSetting.PdfConformanceLevel = Spire.Xls.Pdf.PdfConformanceLevel.Pdf_UA1;
workbook.SaveToFile(outputFile, FileFormat.PDF);
workbook.Dispose();

// Retrieve
PdfFileInfo info = doc.FileInfo;
PdfVersion version = info.Version;

// Settings
doc.FileInfo.Version = PdfVersion.Version2_0;

HtmlExportOptions options = doc.HtmlExportOptions;
options.OfficeMathOutputMode = HtmlOfficeMathOutputMode.MathML;

doc.RemoveBlankPages(); // Delete blank pages
doc.RemovePages(new List {0,1,3}); // Delete specified pages

Document doc = new Document();
doc.AddSection().AddParagraph().AppendText("wertyuiop[]fghjk");

// Add VBA project to document
VbaProject vbaProject = new VbaProject();
vbaProject.Name = "SampleVBAMacro";
doc.VbaProject = vbaProject;

// Add modules to VBA project
// Module 1
VbaModule vbaModule1 = doc.VbaProject.Modules.Add("SampleModule1", VbaModuleType.StdModule);
vbaModule1.SourceCode = @"
Sub DocumnetInfo()
    MsgBox ""create time: "" &Now()
    MsgBox ""Pages:"" & ActiveDocument.Range.ComputeStatistics(wdStatisticPages)
End Sub

Sub WriteHello()
    Selection.TypeText Text:=""Hello World!""
End Sub";

// Module 2
VbaModule vbaModule2 = doc.VbaProject.Modules.Add("SampleModule2", VbaModuleType.StdModule);
vbaModule2.SourceCode = @"
Sub InsertCurrentDate()
    Selection.TypeText Text:=Format(Now(),""yyyy-mm-dd hh:mm:ss"")
End Sub

Sub IndentParagraph()
    Selection.ParagraphFormat.LeftIndent = InchesToPoints(0.5)
End Sub";

doc.SaveToFile("result.docm", FileFormat.Docm);
doc.Close();

Document doc = new Document();
doc.LoadFromFile("input.docx");
StringBuilder sb = new StringBuilder();
RevisionInfoCollection revisionInfoCollection = doc.GetRevisionInfos();

foreach (RevisionInfo revisionInfo in revisionInfoCollection)
{
    sb.AppendLine("[author]:" + revisionInfo.Author + "\r\n" + "  [RevisionType]:" + revisionInfo.RevisionType + "\r\n" + "  [DateTime]:" + revisionInfo.DateTime.ToString() + "\r\n" + "  [OwnerObject]:" + revisionInfo.OwnerObject + "\r\n" + "  [OwnerObject.Owner]:" + revisionInfo.OwnerObject.Owner + "\r\n");
    if (revisionInfo.OwnerObject is TextRange textRange)
    {
        TextRange range = (TextRange)textRange;
        sb.AppendLine($"TextRange - Content:{range.Text}");
    }
}
File.WriteAllText(outputFile, sb.ToString());
doc.Dispose();

class MyPdfCustomAppearance(IPdfSignatureAppearance):
    def __init__(self):
        pass

    def Generate(self, g: PdfCanvas):
        x = 0.0
        y = 0.0
        fontSize = 10.0
        font = PdfTrueTypeFont("SimSun", fontSize, PdfFontStyle.Regular, True)
        lineHeight = fontSize
        image = PdfImage.FromFile(inputImage)
        g.DrawImage(image, x, y)
        x = float(image.Width)
        g.DrawString("Signer: Gary", font, PdfBrushes.get_Red(), PointF(x, y))
        y += lineHeight + 5
        g.DrawString("Phone: +86 12345678", font, PdfBrushes.get_Black(), PointF(x, y))
        y += lineHeight + 5
        g.DrawString("Address: Sichuan Province, China", font, PdfBrushes.get_Black(), PointF(x, y))

doc = PdfDocument()
doc.LoadFromFile(inputFile)
signatureMaker = PdfOrdinarySignatureMaker(doc, inputFile_pfx, "e-iceblue")
my_appearance = MyPdfCustomAppearance()
customAppearance = PdfCustomAppearance(my_appearance)
signatureMaker.MakeSignature("Signer", doc.Pages.get_Item(0), 90.0, 550.0, 270.0, 640.0, customAppearance)
doc.SaveToFile(outputFile)

# Load document from disk
doc = PdfDocument()
doc. LoadFromFile(inputFile)
# Define a rectangle
rctg = RectangleF (0.0, 0.0, 200.0, 300.0)
pdfPageBase = doc.Pages.get_Item (0)
finder = PdfTextFinder(pdfPageBase)
finder.Options.Parameter = TextFindParameter.none
finder.Options.Area = rctg
# Find text in the rectangle
findouts = finder.FindAllText()
sb=[]
for fragment in findouts:
    sb.append (fragment.Text)
    sb.append (fragment.TextStates[0].FontName)
    sb.append(str(round(fragment.TextStates[0].FontSize,2)))
result ="result.txt"

document.getStyles().get("style1").removeSelf();

Document doc = new Document();
Section section = doc.addSection();
TableStyle tableStyle = (TableStyle) doc.getStyles().add(StyleType.Table_Style, "TestTableStyle1");
tableStyle.setHorizontalAlignment(RowAlignment.Center);
tableStyle.getBorders().setColor(Color.BLUE);
tableStyle.getBorders().setBorderType(BorderStyle.Single);
Table table = section.addTable();
table.resetCells(1, 1);
table.getRows().get(0).getCells().get(0).addParagraph().appendText("Aligned to the center of the page");
table.setPreferredWidth(PreferredWidth.fromPoints(300));
table.applyStyle(tableStyle);
// table.getFormat().setStyle(tableStyle);
doc.saveToFile(outputDocxFile, FileFormat.Docx);

doc.copyStylesFromTemplate(inputFile_2);  // Accepts file path as String
doc.copyStylesFromTemplate(doc2);         // Accepts another Document object