C ++ / CLI对象^％（插入符号百分号）声明是什么意思？ [英] What does the C++/CLI Object^% (caret percent-sign) declaration mean?

问题描述

这显然是一个Google防御术语，因为我不能得到任何搜索引擎，不要抛弃额外的字符。我也在C ++的参考中看MSDN，但我似乎找不到C ++ / CLI引用，因为在它的声明部分没有任何东西。

This apparently is a Google-proof term since I can't get any search engines to not throw away the "extra" characters. I did also look on MSDN in the C++ reference but I can't seem to find the C++/CLI reference because there is nothing in the declarations section on it.

推荐答案

％是一个跟踪引用。

它类似于本机引用（ Object& ），但跟踪引用可以引用CLR对象，而本机引用不能。区别是必要的，因为垃圾回收器可以移动CLR对象，所以CLR对象的内存地址可能会改变。

It is similar to a native reference (Object&), but a tracking reference can reference a CLR object while a native reference cannot. The distinction is necessary because the garbage collector can move CLR objects around, so a CLR-object's memory address may change.

^ 只是意味着它被管理。请参见 MSDN 以及此SO职位。

The ^ simply means it is managed. See MSDN and also this SO post.

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