Lets you add MFC graphing functionality to your applications. This graphing system is a set of library routines and classes which can be included in any MFC windows application to give the developer the ability to display data in the form of a graph. There are several graph types which can be displayed, including: line, horizontal bar, vertical bar, pie and histogram graphs.. With GraphingDLL you can also extend the functionality of the graphs in the library by deriving new graphing classes from the original classes. This allows you to build customized graphing systems which uniquely meet your needs.