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 !... More resources GitHub examples You may easily...
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Extract information about the known properties available in a particular package using GroupDocs.Metadata for Python via .NET.... See also More resources GitHub examples You may easily...
Add metadata properties — one of the most powerful features of the GroupDocs.Metadata for Python via .NET search engine....Binary file (DOCX, 14 KB) More resources Advanced usage topics To learn...
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;iresources Advanced usage topics To learn...
Reading FLV header properties The GroupDocs.Metadata API supports extracting format-specific information from the FLV file header.
The following are the steps to read the header of an FLV file.
Load an FLV video Get the root metadata package Extract the native metadata package using the FlvRootPackage.getHeader method Read the FLV header properties advanced_usage.managing_metadata_for_specific_formats.video.flv.FlvReadHeaderProperties
try (Metadata metadata = new Metadata(Constants.InputFlv)) { FlvRootPackage root = metadata.getRootPackageGeneric(); System.out.println(root.getHeader().getVersion()); System.out.println(root.getHeader().hasAudioTags()); System.out.println(root.getHeader().hasVideoTags()); System.out.println(root.getHeader().getTypeFlags()); } Working with XMP metadata GroupDocs.... More resources GitHub examples You may easily...
Locate and remove the metadata properties you don't want — by tag, category, name, type or value — with GroupDocs.Metadata for Python via .NET....Binary file (DOCX, 13 KB) More resources Advanced usage topics To learn...
This section explains how to load document from FTP with GroupDocs.Signature API....retrieveFileStream ( filePath ); } More resources GitHub Examples You may easily...