T****on is the very basic Windows ****on which does not have an easy way to set a a glyph.TBitBtn has all the features of the T****on and adds the ability to set a glyph.Advertisement

Unlike T****on and TBitBtn controls, TSpeed****on does not capture the "tab focus," which means when you click on a speed ****on, your focus will not move -- making TSpeed****on ideal to implement hot keys/****ons.