What does ^ (caret) mean in C++, as in String^ [duplicate]

Question

Possible Duplicate:
What does the caret mean in C++/CLI?

What does ^ mean in this example?

String^ dd= Convert::ToString(DateTime::Now);

or array<String^,2>^ or OleDbCommand^ and so on ...

Answer 1

This is not C++, but either Managed C++, C++/CLI, or WinRT. In all of those instances, this notation stands for a managed reference.