EmitMapper.Helper 1.0.0

public class P
{
    public int ID { get; set; }

    public string Name { get; set; }

    public List<C> CS { get; set; }
}

public class C
{
    public int ID { get; set; }

    public string Name { get; set; }

    public List<CI> CIS { get; set; }
}

public class CI
{
    public int ID { get; set; }

    public string Name { get; set; }
}



public class PM
{
    public int ID { get; set; }

    public string Name { get; set; }

    public List<CM> CS { get; set; }
}

public class CM
{
    public int ID { get; set; }

    public string Name { get; set; }

    public List<CIM> CIS { get; set; }
}

public class CIM
{
    public int ID { get; set; }

    public string Name { get; set; }
}


   static void Main(string[] args)
    {
        Console.WriteLine("------------");

        var srcs = new List<P> {
            new P{
                ID   =1,
                Name = "1",
                CS = new List<C>{
                    new C{
                        ID = 1,
                        Name ="1",
                        CIS = new List<CI>{
                            new CI{
                                ID = 1,
                                Name = "1"
                            }
                        }
                    }
                }
            },
            new P{
                ID   =2,
                Name = "2",
                CS = new List<C>{
                    new C{
                        ID = 2,
                        Name ="2",
                        CIS = new List<CI>{
                            new CI{
                                ID = 2,
                                Name = "2"
                            }
                        }
                    }
                }
            },
            new P{
                ID   =3,
                Name = "3",
                CS = new List<C>{
                    new C{
                        ID = 3,
                        Name ="3",
                        CIS = new List<CI>{
                            new CI{
                                ID = 3,
                                Name = "3"
                            }
                        }
                    }
                }
            },
        };
        var dto= ModelConvertHelper.ConvertObject<List<P>,List<PM>>(srcs);
    }