| Contains(PointF) | Determines if the specified point is contained within this rectangle 确定指定点是否包含在此矩形内 |
| Contains(RectF) | Determines if the specified rectangle is entirely contained within this rectangle 确定指定矩形是否完全包含在此矩形内 |
| Contains(Single, Single) | Determines if the specified point is contained within this rectangle 确定指定点是否包含在此矩形内 |