public class TestDummy
    {
        private object data;

        public TestDummy(object data)
        {
            this.data = data;
        }

        public TestDummy(string nameOfData)
        {
            CreateFromName(nameOfData);
        }

        private object CreateFromName(string nameOfData)
        {
            //Do stuff to create a proper object, based on input string
            return new object();
        }
    }

    public struct TestDummyObjectNamePair
    {
        public TestDummy Dummy;
        public string NameOfDummy;

        public TestDummyObjectNamePair(TestDummy dummy)
        {
            this.Dummy = dummy;
            this.NameOfDummy = null;
        }

        public TestDummyObjectNamePair(string nameOfDummy)
        {
            this.Dummy = null;
            this.NameOfDummy = nameOfDummy;
        }

        public TestDummyObjectNamePair(TestDummy dummy, string nameOfDummy)
        {
            this.Dummy = dummy;
            this.NameOfDummy = nameOfDummy;
        }
    }

    public class TestProperty
    {
        private TestDummy dummy;

        public TestDummyObjectNamePair Dummy
        {
            get
            {
                return new TestDummyObjectNamePair(dummy);
            }
            set
            {
                if (value.Dummy != null)
                {
                    dummy = value.Dummy;
                }
                else if (!String.IsNullOrEmpty(value.NameOfDummy))
                {
                    dummy = new TestDummy(value.NameOfDummy);
                }
                else
                {
                    dummy = null;
                }
            }
        }

        public TestProperty()
        {

        }
    }