VS 11 & .NET 4.5

public interface class IFoo
{
    void KungFoo();
};
public interface class IBar : IFoo
{
    void Snafu();
};
 
template <class T>
ref class TFoo : IFoo
{
public:
    virtual void KungFoo() { std::cout << "TFoo.KungFoo(" << sizeof(T) << ")" << std::endl; }
};
template <class T>
ref class TBar : TFoo<int>, IBar
{
public:
    virtual void Snafu() { std::cout << "TBar.Snafu(" << sizeof(T) << ")" << std::endl; }
};
 
public ref class FooBar : IBar
{
private:
    TBar<USHORT> bar;
public:
    virtual void KungFoo() { bar.KungFoo(); }
    virtual void Snafu() { bar.Snafu(); }
};

public value struct float2
{
	float x,y;
};

public value struct float2
{
	float x,y;
	float2(float _x, float _y);
};