The PixelFormat enumeration from the System.Drawing.Imaging namespace has members like Format32bppArgb or Format8bppIndexed, that are displayed when calling its ToString method.
Do you know of a built-in or other method that converts PixelFormat values to strings that are more appropriate for display in a graphic program, like 24 BPP or 24bpp?
Try something like this extension method I quickly threw together: