public static void InheritanceTest01()
{
TestCls cls = new TestCls();
TestCls2 cls2 = new TestCls2();
Console.WriteLine("Test invoking from sub type...");
Console.WriteLine(cls.ToString());
cls.TestAbstract();
cls.TestVirtual();
cls.TestField();
Console.WriteLine(cls2.ToString());
cls2.TestAbstract();
cls2.TestVirtual();
cls2.TestField();
Console.WriteLine("----------------------------------");
Console.WriteLine("----------------------------------");
Test01Sub(cls);
Test01Sub(cls2);
Console.WriteLine("TestCls.TestVal2 = " + cls.TestVal2);
ClassInheritanceTest.Test3(cls);
ClassInheritanceTest.Test3(cls2);
}