Introduction - If you have any usage issues, please Google them yourself
This manual describes the Fast Light Tool Kit ("FLTK") version 1.1.7, a C++ Graphical User Interface
("GUI") toolkit for UNIX, Microsoft Windows and MacOS. Each of the chapters in this manual is designed as
a tutorial for using FLTK, while the appendices provide a convenient reference for all FLTK widgets,
functions, and operating system interfaces