[clouddrover]

It's just another button control available in Delphi's UI library so people use it.

A standard button is a TButton: http://docwiki.embarcadero.com/Libraries/Sydney/en/Vcl.StdCt...

A button with a glyph is a TBitBtn (bit meaning bitmap): http://docwiki.embarcadero.com/Libraries/Sydney/en/Vcl.Butto...