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Everyone has images. Maybe you're a photographer, a graphic artist, or you simply had a really awesome vacation, but chances are you have a lot of them. What you may or may not know is that every image contains extra information about itself: when it was taken or created, the size of the image, and sometimes even details such as the focal length and type of lens used. Almost every image has some sort of extra data, called metadata, and using C# we can write a function or even a class to help us get this metadata from the image. Image metadata is formatted according to a set of standards, which can be found in a multitude of ways.
Exchangeable image file format ( Exif ) is a standard that specifies the formats for images , sound , and ancillary tags used by digital cameras (including smartphones ), scanners and other systems handling image and sound files recorded by digital cameras.
> How to access all the pixels of a bitmap with C#? I am working with Delphi before. In Delphi, you can use TBitmap.Scanline property to access all the pixels of a bitmap object.