Image vs Bitmap in C#

A lot of people get confused about when to use the Bitmap class and when to use the Image class in C#. All of our examples on this site tend to use the Bitmap class because it is, for the most part, the easier class to use when getting started.

The big difference between the Image class and the Bitmap class is that the Image class is not fully defined. It’s what is known as an “Abstract Base Class”. What this means is that you can not create an instance of an Image object. Try this:

You will get a syntax error. Now try this:

The only time that you need to use an Image object is if you want to write multiple functions that take different kinds of Image objects and return them to the same calling code.

If all you want to do is edit images, play with pixels, and generate images then a Bitmap object is the easiest way to get started.

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