Rounding Flags

Rounding flags are used to control the rounding mode of the box when drawn.

Current available rounding flags are:

RoundCornersTopLeft = 0
RoundCornersTopRight = 1
RoundCornersBottomLeft = 2
RoundCornersBottomRight = 3
RoundCornersNone = 4
RoundCornersTop = 5
RoundCornersBottom = 6
RoundCornersLeft = 7
RoundCornersRight = 8
RoundCornersAll = 9