问题描述
主题标题实际上是我的问题。第二个问题是：什么时候使用这两个？
The topics title is actually my question. And the second question is: When do I use what of these two?
推荐答案
当没有指定时，C ++是非托管C ++，到机器代码。在非托管C ++中，您必须手动管理内存分配。
When not specified, C++ is unmanaged C++, compiled to machine code. In unmanaged C++ you must manage memory allocation manually.
托管C ++是由Microsoft发明的一种语言，它编译为由.NET Framework运行的字节码。它使用与C ++（因此名称）相同的语法，但是以与C＃或VB.NET相同的方式编译;基本上只有语法改变，例如使用' - >'指向一个对象的成员（而不是C＃中的'。'），使用'::'命名空间等。
Managed C++ is a language invented by Microsoft, that compiles to bytecode run by the .NET Framework. It uses mostly the same syntax as C++ (hence the name) but is compiled in the same way as C# or VB.NET; basically only the syntax changes, e.g. using '->' to point to a member of an object (instead of '.' in C#), using '::' for namespaces, etc.
托管C是为了简化从经典C ++到.NET Framework的过渡。它不是用于启动新项目（C＃是首选）。
Managed C++ was made to ease transition from classic C++ to the .NET Framework. It is not intended to be used to start new projects (C# is preferred).
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