Syntax:        TXGRAPHIC(<expN1>,<expN2>,<expC1>,<expN3>)

     Purpose:       Loads a graphic PCL file to printer to macro ID
                    <expN3> to be used later with the TXOVERLAY(),
                    TXMACEXEC() and TXMACCAL().

     Arguments:     <expN1> is the column coordinate of graphic.

                    <expN2> is the row coordinate of the graphic.

                    <expC1> is the PCL file to be downloaded to

                    <expN3> is the macro id of the graphic.

     Returns:       .T.  Successful
                    .F.  Unsuccessful

     Usage:         TXGRAPHIC() is useful anytime you need to print a
                    graphic symbol. This function uses PCL files
                    formatted using the Texas Associated Software PCL
                    conversion software. Use of other formats will
                    give unpredictable results.

     Example:       * To print a graphic converted with TexAS
                    conversion software at col #55, row #5 with a
                    macro id of 1.

                    TXGRAPHIC(55, 05, "SIGNATUR.PCL", 1)
                    DO WHILE !EOF()
                         (Print Routine)
                         TXOVERLAY(1)
                    ENDDO

     See Also:      TXOVERLAY(), TXMACCALL(), TXMACEXEC(),
                    TXMACBEGIN(), TXMACEND()