static void Main1(string[] args)
{
Planet p = new Planet();
Earth e = new Earth();
CovariantDelegate varCovariantDelegate = new CovariantDelegate(p.CallingPlanet);
varCovariantDelegate();
varCovariantDelegate = new CovariantDelegate(e.CallingEarth);
varCovariantDelegate();
ContravariantDelegate varContravariantDelegate = new ContravariantDelegate(PlanetParamMethod);
varContravariantDelegate(e);
varContravariantDelegate = new ContravariantDelegate(EarthParamMethod);
varContravariantDelegate(e);
}
private static void EarthParamMethod(Earth objEarth)
{
Console.WriteLine("Method for Earth object");
}
