Introduction - If you have any usage issues, please Google them yourself
Window " 1" This program is a window display program " 2" first draw in the form of a polygon, when the windows are covered by the form of graphical display graphics to be around for cover, the opposite of negative windows. " 3" window display graphical methods covered in the cutting method than the relatively simple operation, but also in the process of preparation is also relatively simple. However, after a graphic display, graphic borders can not be self-connection