Graph Unit 
                            Graphic Line Constants 

      PURPOSE:  Constant declarations of Line Types and Styles.

      REMARKS:  Use these constants with GetLineSettings and SetLineStyle.

                             Const
                                SolidLn    = 0;
                                DottedLn   = 1;
                                CenterLn   = 2;
                                DashedLn   = 3;
                                UserBitLn  = 4;

                                NormWidth  = 1;
                                ThickWidth = 3;