---
title: "auto_gcroot | Microsoft Docs"
ms.custom: ""
ms.date: "11/04/2016"
ms.technology: ["cpp-cli"]
ms.topic: "reference"
f1_keywords: ["auto_gcroot"]
dev_langs: ["C++"]
helpviewer_keywords: ["auto_gcroot"]
ms.assetid: 1084ff0f-3094-4d19-8646-1314c0733355
author: "mikeblome"
ms.author: "mblome"
ms.workload: ["cplusplus", "dotnet"]
---
# auto_gcroot
Defines the `auto_gcroot` class and `swap` function.  
  
## Syntax  
  
```  
#include <msclr\auto_gcroot.h>  
```  
  
## Remarks  
 In this header file:  
  
 [auto_gcroot Class](../dotnet/auto-gcroot-class.md)  
  
 [swap Function (auto_gcroot)](../dotnet/swap-function-auto-gcroot.md)  
  
## See Also  
 [C++ Support Library](../dotnet/cpp-support-library.md)