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Use gcroot on the boxed type to hold a reference to a value type in a native type.

Example

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// reference_to_value_in_native.cpp
// compile with: /clr
#using <mscorlib.dll>
#include <vcclr.h> 

using namespace System; 

public value struct V {
   String ^str;
};

class Native {
public:
   gcroot< V^ > v_handle;
};

int main() {
   Native native;
   V v;
   native.v_handle = v;
   native.v_handle->str = "Hello";
   Console::WriteLine("String in V: {0}", native.v_handle->str);
}

Output

В 
String in V: Hello

See Also



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