判断point与rgn关系的小程序，如果点在四边形内则画星，并统计。-judgment point CMN relations with the small programs, if the point is within the quadrilateral-painting, and statistics.

这段程序为更具图片的轮廓创建RGN对象，从而设定窗口的不规则形状-This program creates the outline for the more pictures RGN object to set the window to the irregular shape