此程序用VC++实现了简单的画笔程序，通过参数设置里的设置项可以选择画笔的颜色和线条的粗细，然后按住鼠标即可实现花线操作-this procedure with VC a simple brush procedures, li parameters set by the directive may choose to brush the color and thickness of the lines, then hold the mouse can be realized flowers li