Using gcnew : gcnew « Language Basics « Visual C++ .NET

1. Visual C++ .NET
2. Language Basics
3. gcnew

Using gcnew

 
#include "stdafx.h"
using namespace System;

ref class ParentClass{
public:
    ParentClass() : PVal(10) {}
    ParentClass(int inVal) : PVal(inVal) {}
    ParentClass(const ParentClass %p) : PVal(p.PVal) {}

    int PVal;
};

ref class ChildClass : public ParentClass{
public:
    ChildClass () : CVal(20) {};    
    ChildClass (int inVal1, int inVal2) : ParentClass(inVal1), CVal(inVal2) {}
    ChildClass(const ChildClass %vals) : ParentClass(vals.PVal), CVal(vals.CVal) {}
    int CVal;
};

void main()
{
    ChildClass ^c1 = gcnew ChildClass(5,6); // Constructor
    ChildClass  c2 = *c1;                   // Copy Constructor

    c1->CVal = 12;        // Change original, new unchanged

    Console::WriteLine("c1=[{0}/{1}] c2=[{2}/{3}]", 
        c1->PVal, c1->CVal, c2.PVal, c2.CVal);
} 

   
  

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