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Category: Programming
Level: Beginner to seasoned
900 pages
ISBN-10 097661322-0
ISBN-13 978-097661322-0
$59.99 USA
$79.99 CANADA


Listing 8-10 extracted from chapter Interoperability between .NET and native code/COM/ COM+


Listing 8-9<     > Listing 8-11



Example_8_10.cpp
// compile with: /clr
#include "stdafx.h"
#include <vcclr.h>
using namespace System;
#pragma managed
class NativeTypeILCode {
public:
   static int Lentgh( gcroot<String^> s ) {
       return s->Length;
   }
};
#pragma unmanaged
class NativeTypeNativeCode {
public:
   NativeTypeNativeCode( gcroot<String^> s ) {
       m_Length NativeTypeILCode::Lentgh(s);
   }
   int m_Length;
};
#pragma managed
int main() {
   NativeTypeNativeCode * obj = new NativeTypeNativeCode( "Hello" );
   Console::WriteLine( obj->m_Length );
   delete obj;
}	
Copyright Patrick Smacchia 2006 2007