C#面向对象问题，根据类中的属性定位到所属的类，动态实例化
public class A
{
public string A_property1 { set; get; }
public string A_property2 { set; get; }
public B b1;
public B b2;
}
public class B
{
public string B_property1 { set; get; }
public string B_property2 { set; get; }
}
