public static void DemonstrateTypeInheritance()
{
TypeTwo test = new TypeTwo(5);
TestMethod(test);
Console.WriteLine(test.X); //Even though TypeTwo does not explecitly implement a member called "X", it is contained within it's implementation because it inherits the members from TypeOne.
TypeOne typeTwoAsTypeOne = test as TypeOne;
bool isCompatible = test is TypeOne;
}
static void TestMethod(TypeOne x) //This method accepts a parameter of type TypeOne but because TypeTwo is derived from TypeOne, it is also accepted as a parameter.
{
}