The function simply draws an chord. handle must be a valid handle to a
printer.
rec_x is the upper
left x coordinate of the bounding rectangle.
rec_y is the upper
left y coordinate of the bounding rectangle.
rec_x1 is the lower
right x coordinate of the bounding rectangle.
rec_y1 is the lower
right y coordinate of the bounding rectangle.
rad_x is x coordinate
of the radial defining the beginning of the chord.
rad_y is y coordinate
of the radial defining the beginning of the chord.
rad_x1 is x coordinate
of the radial defining the end of the chord.
rad_y1 is y coordinate
of the radial defining the end of the chord.