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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

auto_gcroot::get 

Gets the contained object.


_element_type get() const;

The contained object.

// msl_auto_gcroot_get.cpp
// compile with: /clr
#include <msclr\auto_gcroot.h>

using namespace System;
using namespace msclr;

ref class ClassA {
   String^ m_s;
public:
   ClassA( String^ s ) : m_s( s ){
      Console::WriteLine( "in ClassA constructor:" + m_s );
   }
   ~ClassA() {
      Console::WriteLine( "in ClassA destructor:" + m_s );
   }

   void PrintHello() {
      Console::WriteLine( "Hello from {0} A!", m_s );
   }
};

void PrintA( ClassA^ a ) {
   a->PrintHello();
}

int main() {
   auto_gcroot<ClassA^> a = gcnew ClassA( "first" );
   a->PrintHello();

   ClassA^ a2 = a.get();
   a2->PrintHello();

   PrintA( a.get() );
}

Output

in ClassA constructor:first
Hello from first A!
Hello from first A!
Hello from first A!
in ClassA destructor:first

Header file <msclr\auto_gcroot.h>

Namespace msclr

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