最近研究画笔的功能，这是一个窗体画笔的程序，在delphi7和delphi2007下都可以编译通过，很适合初学者，大家一起努力吧-Recent study function of the brush, this is a form of brush procedures, in Delphi7 and delphi2007 can compile, very suitable for beginners, we work hard together.