将六张Png透明效果图片合成一张A4图片,速度慢,就解决方案!另外有帖子:http://topic.csdn.net/u/20100207/14/abbe92cb-ec11-4122-8091-e515cf09e5b1.html?47811
public void SetImage(){
this.s_image = new Bitmap(this.Body.Width, this.Body.Height); 
                Graphics g = Graphics.FromImage(this.s_image); 
                for (int i = 0; i < elements.Length; i++) 
                { 
                    if (elements[i] != null) 
                    { 
                        if (i != 4) 
                        { 
                            g.DrawImage(elements[i], p_list.PointArray[i].X, p_list.PointArray[i].Y, this.Body.Width, this.Body.Height); 
                        } 
                        else 
                        { 
                            if (has_glassses) 
                            { 
                                g.DrawImage(elements[i], p_list.PointArray[i].X, p_list.PointArray[i].Y, this.Body.Width, this.Body.Height); 
                            } 
                        } 
                    } 
                } 
                g.Dispose();
}