一个自行开发的图形底层程序。十分有价值。已经完成的部分含有矢量图形的放大缩小等视图操作，基本的几何数据组织。使用STL开发-a self-developed graphics bottom procedures. Very valuable. Already completed parts containing vector graphics, etc. Zooming View operation, the basic geometr

用VC__NET编写鼠标交互式绘图程序 主要介绍了在面向对象的VC++.NET语言环境下,通过使用WM_LBUTTONDOWN, WM_MOUSEMOVE, WM_LBUTTONUP等鼠标事件消息,采用橡皮条绘图法,编写一个鼠标交互式绘图程序.该程序可实现绘制随机的平面图形,也可通过鼠标的拖动画出大小不同的圆,椭圆,矩形,直线等平面图形.-VC__NET the preparation of the mouse using an i

一个用鼠标纵横都可以拖动矩形边的程序。对鼠标动作学习有帮助。-A vertically and horizontally with the mouse can drag the rectangular edge procedures. On mouse movements to help with learning.