Managed C++/CLI

Luc Pattyn wrote:

you should do myMatrix.Dispose() when OnPaint is done!

Mark Salsbery
Microsoft MVP - Visual C++

Mark Salsbery wrote:

delete myMatrix;

    Matrix^ myMatrix = gcnew Matrix();
    //myMatrix->Dispose();  <font color="Red"><-- can't do this!</font>
    delete myMatrix; <font><font color="Red">// Dispose will be called here</font></font> 
    or

    Matrix myMatrix; <font color="Red">// Dispose will be called when this goes out of scope</font>
    

public ref class TestRef
{
    // example of unmanaged resource
    int *pInts;
public:
    TestRef()
    {
        pInts = new int[100];
    }

    ~TestRef()  // Destructor
    {
        // Release managed resources here...

        // Call finalizer (won't be called a second time by the GC
        //  if the object is explicitly disposed (using delete)
        this->!TestRef();
    }

    !TestRef()  // Finalizer
    {
        // Delete unmanaged resources here
        delete[] pInts;
    }
};

Mark Salsbery
Microsoft MVP - Visual C++

Xpnctoc wrote:

without the use of they keyword "inline" treated as "inline" anyway,

Xpnctoc wrote:

Is there a drawback (other than bad C++ practice)

George L. Jackson wrote:

For instance, derived class ctors execute before base class ctors!

ref class refbase
{
public:
    refbase()
    {
        Console::WriteLine("refbase");
    }
};

ref class refsuper : public refbase
{
public:
    refsuper()
    {
        Console::WriteLine("refsuper");
    }
};


int _tmain()
{
    refsuper ^super = gcnew refsuper();

    Console::WriteLine("\r\n");
    Console::WriteLine("Press Enter to end...");
    Console::ReadLine();

    return 0;
}

Mark Salsbery
Microsoft MVP - Visual C++