WPF 使用HwndHost嵌入Win32后，无法接受Mouse_Move\Mouse_Leave消息

 相关文章 ：

http://stackoverflow.com/questions/2516966/wpf-win32-hwndhost-wm-mousemove-wm-mousehover
http://www.netframeworkdev.com/windows-presentation-foundation-wpf/problem-whit-wmmousewheel-hwndhost-90730.shtml

msdn wpf 和win32互操作

http://msdn.microsoft.com/zh-cn/library/ms742522.aspx

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