鼠标绘图的源程序代码，可实现用鼠标绘制各种直线、曲线等-mouse mapping of the source code, can be realized using the mouse to draw various linear, curve, etc.

简单绘图程序,能实现画笔,画刷,填充,画笔颜色,大小的改变,图象的打开与保存.该程序适合初学者学习.-simple drawing program, able to brush, brush painting, filling, brush color, size changes, Image open and preservation. The learning process for beginners.