Comments (1)
IMPLEMENT用了微软的 microsoft-extension,也就是微软为匿名结构体和共用体引入的扩展;编译的时候需要编译器加入 -fms-extensions 才能正确使用,否则会有warning,说你代码啥都没定义。
INHERIT 就是没有用微软的这个扩展语法。
以上是基本出发点。
一般来说,尽可能用 IMPLEMENT,因为微软的这个扩展还是蛮有用的(就算编译器不支持微软的扩展,IMPLEMENT的效果就跟INHERIT自动等效了)。但微软的这个扩展有个问题,比如基类定义了一个成员叫example,通过IMPLEMENT继承以后,如果派生类里也有 叫example的成员,就会冲突了——如果确实派生类里要存在跟基类重名的成员,就必须要用INHERIT而不能用IMPLEMENT。
理解这个问题的关键就是你要知道 微软对匿名结构体和公用体的这个扩展。
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Related Issues (12)
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