static MyClassA()
{
PropertyA=new MyClassB();
PropertyA.Foo = new List<string> { "a", "b", "c", "d","e"};
PropertyA.Bar = new List<int> {1, 2, 3, 4, 5};
PropertyA.ValueTypeA = 200;
}
static MyClassC()
{
PropertyA = new MyClassB();
PropertyA.Foo = new List<string> { "a1", "b2", "c3", "d4", "e5" };
PropertyA.Bar = new List<int> { 10, 20, 30, 40, 50 };
}