static void Main(string[] args)
{
// The interface is covariant.
ICovariant <Button> ibutton = new SampleImplementation <Button>();
ICovariant <Object> iobj = ibutton;
// The class is invariant.
SampleImplementation <Button> button = new SampleImplementation <Button>();
// The following statement generates a compiler error
// because classes are invariant.
// SampleImplementation<Object> obj = button;
var y = new SampleImplementation <int>();
y.M(0);
}
public ProxyImplementation()
{
_impl = new SampleImplementation();
}
