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How do I access / edit the metadata associated with an Image ?

Platform: WPF| Category: Image

The ‘BitmapMetaData’ class provides metadata information contained by the image. This metadata can be one metadata schema or a combination of different schemes.

WPF inherently supports the following image schemas:

  • ExchangableImageFile (Exif).
  • PNG Textual Data.
  • ImageFileDirectory (IFD).
  • InternationalPressTelecommunicationsCouncil (IPTC).
  • ExtensibleMarkupLanguage (XMP).
  • [C#]
    
                Stream pngStream = new System.IO.FileStream('winter.png', FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
                PngBitmapDecoder pngDecoder = new PngBitmapDecoder(pngStream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
                BitmapFrame pngFrame = pngDecoder.Frames[0];
                InPlaceBitmapMetadataWriter pngInplace = pngFrame.CreateInPlaceBitmapMetadataWriter();
                if (pngInplace.TrySave() == true)
                { 
    	pngInplace.SetQuery('/Text/Author', 'Me'); 
                }
                pngStream.Close();
    
    

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