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 Pie()                  Draws a graphic pie
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   Syntax:              Pie( <hDC>, <nLeftRect>, <nTopRect>, <nRightRect>,
                             <nBottomRect>, <nxStartArc>, <nyStartArc>,
                             <nxEndArc>, <nyEndArc> )  --> <lSuccess>

   Parameters

   <hDC>                Handle of device context

   <nLeftRect>          x-coordinate upper-left corner bounding rectangle

   <nTopRect>           y-coordinate upper-left corner bounding rectangle

   <nRightRect>         x-coordinate lower-right corner bounding rectangle

   <nBottomRect>        y-coordinate lower-right corner bounding rectangle

   <nxStartArc>         x-coordinate arc starting point

   <nyStartArc>         y-coordinate arc starting point

   <nxEndArc>           x-coordinate arc ending point

   <nyEndArc>           y-coordinate arc ending point


                        The Pie function draws a pie-shaped wedge by drawing
                        an elliptical arc whose center and two endpoints are
                        joined by lines.


   Returns

   <lSuccess>           A logical value indicating if the operation was
                        successfull.

   Comments             The center of the arc drawn by the Pie function is the
                        center of the bounding rectangle specified by the
                        nLeftRect, nTopRect, nRightRect, and nBottomRect
                        parameters. The starting and ending points of the arc
                        are specified by the nxStartArc, nyStartArc, nxEndArc,
                        and nyEndArc parameters. The function draws the arc by
                        using the selected pen, moving in a counterclockwise
                        direction. It then draws two additional lines from
                        each endpoint to the arc's center. Finally, it fills
                        the pie-shaped area by using the current brush.

                        If nxStartArc equals nxEndArc and nyStartArc equals
                        nyEndArc, the result is an ellipse with a single line
                        from the center of the ellipse to the point
                        (nxStartArc,nyStartArc) or (nxEndArc,nyEndArc).

                        The figure drawn by this function extends up to but
                        does not include the right and bottom coordinates.
                        This means that the height of the figure is
                        nBottomRect - nTopRect and the width of the figure
                        is nRightRect - nLeftRect.

                        Both the width and the height of a rectangle must be
                        greater than 2 units and less than 32,767 units.

   Sample:              SAMPLES\\TestPie.prg