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

Presentation ppt = new Presentation();
ppt.loadFromFile(inputFile);
List dataList = ppt.getSlides().get(0).getShapes().get(0).getCustomerDataList();
System.out.println(dataList.size());
for(int i = 0; i < dataList.size(); i++)
{
    String name = dataList.get(i).getName();
    String content = dataList.get(i).getXML();
}

Presentation ppt = new Presentation();
ppt.loadFromFile(inputFile);
Rectangle2D.Double audioRect = new Rectangle2D.Double(220, 240, 80, 80);
IAudio audio=ppt.getSlides().get(0).getShapes().appendAudioMedia(inputFile_1, audioRect);
// Set the duration of the starting fade for 13s
audio.setFadeInDuration(13000f);
// Set the duration of the ending fade for 20s
audio.setFadeOutDuration(20000f);
ppt.saveToFile(outputFile, FileFormat.PPTX_2016);
ppt.dispose();

Presentation ppt = new Presentation();
ppt.loadFromFile(inputFile);
Rectangle2D.Double audioRect = new Rectangle2D.Double(220, 240, 80, 80);
IAudio audio=ppt.getSlides().get(0).getShapes().appendAudioMedia(inputFile_1, audioRect);
// Set the start trimming time 8 seconds
audio.setTrimFromStart(8000f);
// Set the end trimming time 13 seconds
audio.setTrimFromEnd(13000f);
ppt.saveToFile(outputFile, FileFormat.PPTX_2016);
ppt.dispose();

Presentation presentation = new Presentation();
presentation.loadFromFile("data/test.pptx");
Double[] widths = new Double[]{100d, 100d, 150d, 100d, 100d};
Double[] heights = new Double[]{15d, 15d, 15d, 15d, 15d, 15d, 15d, 15d, 15d, 15d, 15d, 15d, 15d};
// Add a table
ITable table = presentation.getSlides().get(0).getShapes().appendTable(
    (float) presentation.getSlideSize().getSize().getWidth() / 2 - 275, 90, widths, heights);
// Set overall table background transparency to 50% (0.0 = opaque, 1.0 = fully transparent)
table.getFill().setTransparency(0.5f);
// Customize the fill color of the cell at row 0, column 0 to blue
table.get(0, 0).getFillFormat().setFillType(FillFormatType.SOLID);
table.get(0, 0).getFillFormat().getSolidColor().setColor(Color.BLUE);
presentation.saveToFile("result.pptx", FileFormat.PPTX_2016);

// Old import (deprecated):
from spire.doc.charts import ChartType

// New import (use this):
from spire.doc.charts.ChartType import ChartType

doc = Document()
doc.LoadFromFile(inputFile)
firstColumn = doc.Bookmarks["t_insert"].FirstColumn
lastColumn = doc.Bookmarks["t_insert"].LastColumn

doc = Document()
tableStyle = doc.Styles.Add(StyleType.TableStyle, "TestTableStyle3")
tableStyle.LeftIndent = 55
tableStyle.Borders.Color = Color.get_Green()
tableStyle.HorizontalAlignment = RowAlignment.Right
tableStyle.Borders.BorderType = BorderStyle.Single

section = doc.AddSection()
table = section.AddTable()
table.ResetCells(3, 3)
table.Rows[0].Cells[0].AddParagraph().AppendText("Aligned according to left indent")
table.PreferredWidth = PreferredWidth.FromPoints(300)
table.Format.StyleName = "TestTableStyle3"

style = doc.Styles.FindByName("TestTableStyle3")
if (style is not None) and isinstance(style, TableStyle):
tableStyle = style
tableStyle.Borders.Color = Color.get_Black()
tableStyle.Borders.BorderType = BorderStyle.Double
tableStyle.RowStripe = 3
    tableStyle.ConditionalStyles[TableConditionalStyleType.OddRowStripe].Shading.BackgroundPatternColor = Color.get_LightBlue()
           tableStyle.ConditionalStyles[TableConditionalStyleType.EvenRowStripe].Shading.BackgroundPatternColor = Color.get_LightCyan()
tableStyle.ColumnStripe = 1
            tableStyle.ConditionalStyles[TableConditionalStyleType.EvenColumnStripe].Shading.BackgroundPatternColor = Color.get_LightPink()
table.ApplyStyle(tableStyle)
table.Format.StyleOptions = table.Format.StyleOptions | TableStyleOptions.ColumnStripe

doc.SaveToFile(outputFile, FileFormat.Docx)

style = doc.Styles.FindByName("TestTableStyle3")
style.RemoveSelf()

ListStyle listStyle = document.getStyles().add(ListType.Numbered, "levelstyle");
listStyle.isCustomStyle(true);
ListLevelCollection levels = listStyle.getListRef().getLevels();
levels.get(0).setPatternType(ListPatternType.Arabic);
levels.get(0).setStartAt(1);
levels.get(0).getCharacterFormat().setFontName("Trebuchet MS");

paragraph.getListFormat().applyStyle(ListStyle listStyle);
paragraph.getListFormat().setListLevelNumber(int leverNumber)

or

paragraph.getListFormat().applyListRef(ListDefinitionReference list, int leverNumber);

Document document = new Document();
Section sec = document.addSection();
Paragraph paragraph = sec.addParagraph();

// Create default bullet list template
ListTemplate template = ListTemplate.Bullet_Default;
ListDefinitionReference listRef = document.getListReferences().add(template);

// Create default numbered list template
ListTemplate template1 = ListTemplate.Number_Default;
listRef = document.getListReferences().add(template1);
listRef.getLevels().get(2).setStartAt(4);// Set the third level to start at number 4

// Add paragraph and apply numbered list style (level 2)
paragraph = sec.addParagraph();
paragraph.appendText("List Item 1");
// Apply level 2 (index starts at 0; 1 means the second level)
paragraph.getListFormat().applyListRef(listRef, 1);

paragraph = sec.addParagraph();
paragraph.appendText("List Item 2");
// Apply level 3
paragraph.getListFormat().applyListRef(listRef, 2);

paragraph = sec.addParagraph();
paragraph.appendText("List Item 3");
// Apply level 2
paragraph.getListFormat().applyListRef(listRef, 1);

paragraph = sec.addParagraph();
paragraph.appendText("List Item 4");
// Apply level 3
paragraph.getListFormat().applyListRef(listRef, 2);

document.saveToFile(outputFile, FileFormat.Docx);
document.close();

Document document = new Document();
Section sec = document.addSection();
Paragraph paragraph = sec.addParagraph();
// Create Arabic numeral numbered list template (e.g., "1.", "2.", ...)
ListTemplate template = ListTemplate.Number_Arabic_Dot;
// Use addSingleLevelList to create a single-level list reference
ListDefinitionReference listRef = document.getListReferences().addSingleLevelList(template);
int levelcount = listRef.getLevels().getCount();//Check level count
boolean res=listRef.isMultiLevel();
// Add first list item
paragraph = sec.addParagraph();
paragraph.appendText("List Item 1");
paragraph.getListFormat().applyListRef(listRef, 0);
paragraph = sec.addParagraph();
paragraph.appendText("List Item 2");
paragraph.getListFormat().applyListRef(listRef, 0);

document.saveToFile(outputFile, FileFormat.Docx);
document.close();

Document document = new Document();
Section sec = document.addSection();
Paragraph paragraph = sec.addParagraph();
// Create custom bulleted list style
ListStyle listStyle = document.getStyles().add(ListType.Bulleted, "bulletList");
// Get level configurations of this list style
ListLevelCollection Levels = listStyle.getListRef().getLevels();
// Set picture bullet for level 1
Levels.get(0).createPictureBullet();
Levels.get(0).getPictureBullet().loadImage(imag_Path_1);
// Set picture bullet for level 2
Levels.get(1).createPictureBullet();
Levels.get(1).getPictureBullet().loadImage(imag_Path_2);
// Add first list item
paragraph = sec.addParagraph();
paragraph.appendText("List Item 1");
paragraph.getListFormat().applyStyle(listStyle);
// Add second list item
paragraph = sec.addParagraph();
paragraph.appendText("List Item 1.1");
paragraph.getListFormat().applyStyle(listStyle);
paragraph.getListFormat().setListLevelNumber(1);
// Delete picture bullet for level 1
Levels.get(0).deletePictureBullet();
document.saveToFile(outputFile, FileFormat.Docx);
document.close();

Document doc = new Document();
Section section = doc.AddSection();
Spire.Doc.Documents.Paragraph paragraph = section.AddParagraph();
Spire.Doc.Fields.TextRange farEastLayout = paragraph.AppendText("test");
FarEastLayout style = new FarEastLayout();
style.Vertical = true;
farEastLayout.CharacterFormat.FarEastLayout = style;
doc.SaveToFile(outputFile, FileFormat.Docx);
doc.Close();

//Load template documents with existing styles
           Document temple = new Document();
           temple.LoadFromFile("temple.docx");
           //Load markdown file
            Document doc = new Document();
           doc = new Document(@"Doc.md");
           //Copy styles from template documents
           doc.CopyStylesFromTemplate(temple);
           //Save
           doc.SaveToFile(@"Doc.docx", Spire.Doc.FileFormat.Docx2016);

Document doc = new Document();
            doc.LoadFromFile(inputFile);
            RevisionInfoCollection revisionInfoCollection = doc.GetRevisionInfos();
            StringBuilder sb = new StringBuilder();
            foreach (RevisionInfo revisionInfo in revisionInfoCollection)
            {
                if (revisionInfo.RevisionType == RevisionType.FormatChange)
                {
                    if (revisionInfo.OwnerObject is Spire.Doc.Fields.TextRange)
                    {
                        TextRange range = (TextRange)revisionInfo.OwnerObject;
                        sb.AppendLine("TextRange:" + range.Text + "\r\n");
                        doc.RevisionsView = RevisionsView.Original;
                        sb.AppendLine("Original style：" + "isBold：" + range.CharacterFormat.Bold + ";" + "TextColor：" + range.CharacterFormat.TextColor + "；HighlightColor：" + range.CharacterFormat.HighlightColor + "；FontName：" + range.CharacterFormat.FontName + "；UnderlineStyle：" + range.CharacterFormat.UnderlineStyle + "\r\n");
                        doc.RevisionsView = RevisionsView.Final;
                        sb.AppendLine("Final style：" + "isBold：" + range.CharacterFormat.Bold + ";" + "TextColor：" + range.CharacterFormat.TextColor + "；HighlightColor：" + range.CharacterFormat.HighlightColor + "；FontName：" + range.CharacterFormat.FontName + "；UnderlineStyle：" + range.CharacterFormat.UnderlineStyle + "\r\n");
                    }
                }
            }
            File.WriteAllText(outputFile, sb.ToString());
            doc.Close();

Document doc = new Document();
      doc.CompatibilityOptions.UlTrailSpace = false;
      doc.CompatibilityOptions.AdjustLineHeightInTable = true;
      doc.CompatibilityOptions.SpaceForUL = true;
      doc.CompatibilityOptions.ApplyBreakingRules = true;
      doc.CompatibilityOptions.DoNotExpandShiftReturn = false;
      doc.CompatibilityOptions.OverrideTableStyleFontSizeAndJustification = false;
      doc.CompatibilityOptions.DoNotAutofitConstrainedTables = true;
      doc.SaveToFile("outputFile");

Document doc = new Document();
    doc.LoadFromFile("inputtFile");
    Spire.Doc.Settings.CompatibilityOptions options = doc.CompatibilityOptions;

Document doc = new Document();
            doc.LoadFromFile(inputFile);

            // Set properties
            doc.CompatibilityOptions.UlTrailSpace = false;
            doc.CompatibilityOptions.AdjustLineHeightInTable = true;
            doc.CompatibilityOptions.SpaceForUL = true;
            doc.CompatibilityOptions.ApplyBreakingRules = true;
            doc.CompatibilityOptions.DoNotExpandShiftReturn = false;
            doc.CompatibilityOptions.OverrideTableStyleFontSizeAndJustification = false;
            doc.CompatibilityOptions.DoNotAutofitConstrainedTables = true;
			// Set FileFormat when saving to preserve effects
            doc.SaveToFile(outputFile_after, FileFormat.Docx2016); 

            // Using version compatibility will reset previously set properties
            Spire.Doc.Settings.CompatibilityOptions options = doc.CompatibilityOptions;
            doc.CompatibilityOptions.OptimizeForWordVersion(WordVersion.Word2016);
            PrintCompatibilityOptions(options, outputFile);
            doc.Close();

Workbook wb = new Workbook();
wb.loadFromFile("input.xlsx");

// Create export options
MarkdownOptions options = new MarkdownOptions();

// Set whether to save images using relative paths
options.setSavePicInRelativePath(true);

// Set whether to format hyperlinks as Markdown reference-style links
options.setSaveHyperlinkAsRef(true);

wb.saveToMarkdown("output.md", options);

Presentation presentation = new Presentation();
presentation.LoadFromFile(inputFile);

foreach (ISlide slide in presentation.Slides)
{
    foreach (Spire.Presentation.IShape shape in slide.Shapes)
    {
        if (shape is SlidePicture)
        {
            SlidePicture ps = shape as SlidePicture;
            // Compress the image: remove cropped areas (true) and set target resolution to 150 DPI (commonly used for web display)
            ps.PictureFill.CompressImage(true, 150f);
        }
    }
}
presentation.SaveToFile(outputFile, FileFormat.Pptx2013);

presentation.SaveToImage(int pageIndex, int dpiX, int dpiY);

PdfDocument newPdf = new PdfDocument();
PdfPageBase page = newPdf.Pages.Add();
Spire.Pdf.Graphics.PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 10f);
SizeF textSize = font.MeasureString("sample");

RectangleF rect = new RectangleF(50,50, textSize.Width, textSize.Height);
Spire.Pdf.Annotations.PdfFreeTextAnnotation textAnnotation = new Spire.Pdf.Annotations.PdfFreeTextAnnotation(rect);

textAnnotation.Text = "sample";
textAnnotation.Subject = "subject";
textAnnotation.Font = font;
Spire.Pdf.Annotations.PdfAnnotationBorder border = new Spire.Pdf.Annotations.PdfAnnotationBorder(8);
textAnnotation.Border = border;
textAnnotation.LineEndingStyle = Spire.Pdf.Annotations.PdfLineEndingStyle.None;
textAnnotation.Size = new SizeF(textSize.Width * 1.5F, textSize.Height * 1.5F);
textAnnotation.StringFormat.Alignment = PdfTextAlignment.Center;
textAnnotation.StringFormat.LineAlignment = PdfVerticalAlignment.Middle;
page.Annotations.Add(textAnnotation);
newPdf.SaveToFile(result);