文件名称:buttonwnd
介绍说明－－下载内容均来自于网络，请自行研究使用
可以显示三态的按钮类，可调用其中的函数给其加载位图，三态位图是一个位图，鼠标放上去，鼠标up和鼠标down会加载不同的位图，有动态效果-Can display three-state button category, which can call a function to its load bitmaps, three-state bitmap is a bitmap, release the mouse up, mouse up and mouse down will load different bitmaps, there are dynamic effects
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下载文件列表
buttonwnd
.........\ButtonWnd.cpp
.........\ButtonWnd.h
.........\ButtonWnd.cpp
.........\ButtonWnd.h