NAME: GraphResult

     USE: Returns an error code which determins the status of the last
          graphics operation. An error code of 0 signifies no error
          occurred.

                   0 : No Error
                  -1 : (BGI) graphics not installed (use InitGraph)
                  -2 : Graphics hardware not detected
                  -3 : Device driver not found
                  -4 : Invalid device driver file
                  -5 : Not enough memory to load driver
                  -6 : Out of memory to scan fill
                  -7 : Out of memory inflood fill
                  -8 : Font file not found
                  -9 : Not enough memory to load font
                 -10 : Invalid graphic mode for selected driver


     DEPENDENCY:  Must first be in graphics mode.  The unit Graph
                  must also be placed in the uses section.

     SYNTAX: GraphResult