static void Main()
{
var p1 = new Point1(1, 2);
Console.WriteLine((p1.GetMember(0), p1.GetMember(1)));
var p2 = new Point2(1, 2);
Console.WriteLine((p2.GetMember("X"), p2.GetMember("Y")));
var p3 = new Point3(1, 2);
foreach (var t in p3.EnumerateMembers())
{
Console.WriteLine(t);
}
var p = new Point(1, 2);
Console.WriteLine((p.GetMember(0), p.GetMember(1)));
Console.WriteLine((p.GetMember("X"), p.GetMember("Y")));
foreach (var t in p3.EnumerateMembers())
{
Console.WriteLine(t);
}
}