mfc视图类，画多边形，能够拖动位置，也可拖动边缘点来调整大小，形状。-MFC view class, this program is for multishaping, you can drag the position and the shape of the picture that you draw.

Visual C＋＋开发的图片查看程序,生成的简单的图形查看器-Picture view of the development of Visual c++ program, the generated simple graphical viewer