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title swap Function (auto_gcroot) | Microsoft Docs
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ms.date 11/04/2016
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swap Function (auto_gcroot)

Swaps objects between one auto_gcroot and another.

Syntax

template<typename _element_type>  
void swap(  
   auto_gcroot<_element_type> & _left,  
   auto_gcroot<_element_type> & _right  
);

Parameters

_left
An auto_gcroot.

_right
Another auto_gcroot.

Example

// msl_swap_auto_gcroot.cpp  
// compile with: /clr  
#include <msclr\auto_gcroot.h>  
  
using namespace System;  
using namespace msclr;  
  
int main() {  
   auto_gcroot<String^> s1 = "string one";  
   auto_gcroot<String^> s2 = "string two";  
  
   Console::WriteLine( "s1 = '{0}', s2 = '{1}'",  
      s1->ToString(), s2->ToString() );  
   swap( s1, s2 );  
   Console::WriteLine( "s1 = '{0}', s2 = '{1}'",  
      s1->ToString(), s2->ToString() );  
}  

s1 = 'string one', s2 = 'string two'  
s1 = 'string two', s2 = 'string one'

Requirements

Header file <msclr\auto_gcroot.h>

Namespace msclr

See Also

auto_gcroot
auto_gcroot::swap