![]() To extract and modify the EXIF metadata of an image: Moreover, if required, you can save the Exif metadata to a stream or a byte array using SaveToStream and ToByteArray methods of the ExifProfile class respectively and also load the Exif metadata from a stream or a byte array using Load method of the ExifProfile class. The class also caters the unknown tags using the UnknownTags property which gets a list of values for the unknown tags. ![]() These values can also be accessed through special properties such as Orientation, ResolutionUnit, LensModel, etc. provided by the ExifProfile class. These tags are represented by the ExifTag enumeration and values are represented by the ExifValue class. The GetTags method returns an array of all known tags in the profile. On the other hand, the GetValues method returns a list of all known tags in the profile along with their corresponding values. GcImaging provides all the Exif metadata of an image in the ExifProfile class which is available in namespace. The library also provides ExifProfile property of the GcBitmap class through which Exif metadata of the images can be accessed. The ExifProfile class mainly includes two methods, namely GetTags and GetValues. With GcImaging, a developer can extract all Exif metadata from the images as mentioned in the Exif specifications sheet, such as the shutter speed, time it was taken, focal length, light value, use of flash, title, date, creator, copyright, description location (GPS data) etc.
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