title auto_gcroot ms.date 11/04/2016 ms.topic reference f1_keywords auto_gcroot helpviewer_keywords auto_gcroot ms.assetid 1084ff0f-3094-4d19-8646-1314c0733355 auto_gcroot Defines the auto_gcroot class and swap function. Syntax #include <msclr\auto_gcroot.h> Remarks In this header file: auto_gcroot Class swap Function (auto_gcroot) See also C++ Support Library