prcl (PRECTL) - input
Points on the left and bottom boundaries of the rectangle are included in the fill, but points on the right and top boundaries are not, except where they are also on the left and bottom boundaries; that is, the top-left and bottom-right corners.
Note: The value of each field in this structure must be in the range -32 768 through 32 767. The data type WRECT can also be used, if supported by the language.