用VS2005编写的画图程序，实现了画圆，直线，三角形等基本图元，可设置线性，颜色等，可打开图片设置为背景图片，阴影的属性等-VS2005 drawing prepared by the procedures and achieve the Circle, a straight line, triangle and other basic elements can be set up linear, colors and so on, can open the picture settings