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Contents Summary
 

Working with Documents Comparison

GroupDocs.Comparison for .NET is a lightweight API which allows you to compare two versions of a PDF or Office document (or other supported documents) and display differences between them through a diff view interface.

Features

  • Compare contents & styles: The library can identify both content and font style changes, including bold, italic, underlines, strike-troughs, font types, etc.
  • Get comparison summary: Once documents are processed, you can save a summery list of all changes found in the result output.
  • Accept/reject changes: After applying/rejecting changes, the resulting file can be exported to a final document
  • Merge & compare: The library allows you to spot which changes come from what file. Support for Word's native Track Changes functionality When comparing Word files, the merged document can be saved as a DOC/DOCX file, reflecting all the diffs found with the Word's native "Track Changes" feature.
  • Support for streams: Documents can be read from streams and the result output can be send to streams as well.
  • Flexible API: You can compare documents programmatically on the server side, use the library in conjunction with a built-in web UI to display diffs on the web, or built your own UI from scratch.
  • Compare Multiple Documents: GroupDocs.Comparison for .NET API supports multiple source document comparison with single target document .

Microsoft Word Files Comparison

  •     Native track changes for Microsoft word files comparison
  •     Merge these track changes and save in separate file
  •     Accept/reject changes in Word files
  •     Support for Group Shapes while using Comparison.Words
  •     Implement Comparison by Page Numbers while using Comparison.Words
  •     Implement formulas comparison
  •     Merge & compare up to 3 Word files

HTML Files Comparison

  •     Save HTML files to word document while using Comparison.Text
  •     Can save comparison result as images

PDF Comparison

  • Implement the own absorber of tables

Diagram Comparison

API also supports diagram comparison.

Automatic format detection with saving results into

  •     File
  •     File with extension
  •     File with extension for encrypted documents
  •     File for encrypted documents
  •     File with comparison type and settings for encrypted documents
  •     Stream
  •     Stream with comparison settings
  •     Stream with comparison type and settings
  •     Stream for encrypted documents
  •     Stream with comparison settings for encrypted documents
  •     Stream with comparison type and settings for encrypted documents

Text Styles Compared in Comparison

For words(letters) API compares:

  • Style(Bold, Italic, Underline, SmallCaps, Hyperlink)
  • Size
  • Color
  • UnderlineColor if underlined
  • FontName

For paragraphs:

  • Alignment
  • LeftIndent,RightIndent
  • SpaceAfter, SpaceBefore paragraph
  • FirstLineIndent
  • LineSpacing

For text Sections of page(where supported):

  • FooterDistance
  • PageHeight
  • Page orientation
  • LeftMargin,RightMargin,TopMargin,BottomMargin
  • BorderLineWidth
  • BorderColor


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