画图程序啊

一个很不错的学习的程序，里面有树控件，画图控件等，花了我2天时间才想好的呢-A very good learning program, which has tree controls, drawing control, etc., it took me 2 days to think it a good

对于vc++中经典的画线画图示例程序.对于类的控制和画线算法的实现.代码简洁明了-For vc++ in a classic example of procedures for drawing a line drawing. The type of control and painting line algorithm. Concise code