利用钩子实现菜单阴影效果.Office XP里面的菜单的阴影效果让人羡慕不已,它不需要在Windows XP 中就可以在菜单后面显示阴影, 当然在Windows XP中, 已经完全支持菜单阴影了。 虽然我们不一定很有必要自己来实现这个较难实现的效果。但是正如有很多人想实现那种IE风格的菜单栏一样,尽管它们并不能为我们带来更多实用的功能, 却可以使我们的程序看起来与众不同。 -The use of hooks to achieve the shadow effect of the menu. Office XP menu inside the shadow effect to inspire envy, it does not require Windows XP, you can display a shadow behind the menu, of course, Windows XP, has fully supported the shadow of the menu. Although we do not it is necessary to achieve this difficult to achieve their results. However, as there are a lot of people want to achieve the kind of like the IE-style menu bar, even though they do not bring us more useful features, it can make our program look different.