This code snippet demonstrates how to extract information about known properties that can be encountered in a particular package.
Load a file to examine Get a collection of PropertyDescriptor instances for any desired metadata package Iterate through the extracted descriptors advanced_usage.GettingKnownPropertyDescriptors
JavaScript const metadata = new groupdocs.metadata.Metadata("input.doc"); var root = metadata.getRootPackageGeneric(); var descriptors = root.getDocumentProperties().getKnowPropertyDescriptors(); for(var i=0;iEditor Product Solution GroupDocs...
Reading PNG metadata properties The GroupDocs.Metadata API supports extracting format-specific information from PNG images.
The following are the steps to read the native PNG metadata.
Load a PNG image Get the root metadata package Extract the native metadata package using PngRootPackage.PngPackage Read the PNG metadata properties AdvancedUsage.ManagingMetadataForSpecificFormats.Image.Png.PngReadTextChunks
using (Metadata metadata = new Metadata(Constants.InputPng)) { var root = metadata.GetRootPackage(); foreach (var chunk in root.PngPackage.TextChunks) { Console.WriteLine(chunk.Keyword); Console.WriteLine(chunk.Text); var compressedChunk = chunk as PngCompressedTextChunk; if (compressedChunk !...Editor Product Solution GroupDocs...
Follow this guide and learn how to merge PDF files, combine several PDFs into one using GroupDocs.Merger for Java API and couple lines of code...Editor Product Solution GroupDocs...
Learn how to merge EPUB files, combine EPUB files into one file programmatically in C# language using GroupDocs.Merger for .NET library....Editor Product Solution GroupDocs...
Add metadata properties — one of the most powerful features of the GroupDocs.Metadata for Python via .NET search engine....Editor Product Solution GroupDocs...
Locate and remove the metadata properties you don't want — by tag, category, name, type or value — with GroupDocs.Metadata for Python via .NET....Editor Product Solution GroupDocs...
Extract information about the known properties available in a particular package using GroupDocs.Metadata for Python via .NET....Editor Product Solution GroupDocs...
Example demonstrates some advanced usage scenarios of the GroupDocs.Metadata search engine allowing to remove metadata properties...Editor Product Solution GroupDocs...