子窗口无效不会引起父窗口重绘,父窗口无效,如果父窗口收到WM_PAINT,则所有子窗口都会在父窗口处理WM_PAINT之后收到WM_PAINT重绘消息,当然,如果父窗口带有属性WS_CLIPCHILDREN,则不会引起子窗口重绘
posted on 2011-05-24 09:42 hgy413 阅读(223) 评论(0) 编辑 收藏 举报
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