C# How can I test a file is a jpeg?

Question

Using C# how can I test a file is a jpeg? Should I check for a .jpg extension?

Thanks

Answer 1

You could try loading the file into an Image and then check the format

Image img = Image.FromFile(filePath);
bool isBitmap = img.RawFormat.Equals(ImageFormat.Jpeg);

Alternatively you could open the file and check the header to get the type