private void Main01()
{
myA myA01 = new myA(1, 2, 3);
myA myA02, myA03;
myA02 = myA01.Copy();
myA03 = new myA(myA01);
Console.WriteLine("myA01 is= {0}", myA01);
Console.WriteLine("myA02 is = {0}", myA02);
Console.WriteLine("myA03 is = {0}", myA03);
myA02.x2 = 4;
Console.WriteLine();
Console.WriteLine("myA01 is= {0}", myA01);
Console.WriteLine("myA02 is = {0}", myA02);
Console.WriteLine("myA03 is = {0}", myA03);
}
public myB(myA x1, myA x0)
{
this.x1 = x1.Copy();
this.x0 = x0.Copy();
}