namespace ConsoleApplication3
{public interface interTest{}public class Test : interTest{public string Name;public int Id;public int TestId;public int Property { get; set; }}public class TestClone{public string Name;public int Id;public int CloneId;public int Property { get; set; }}public static class Logic{public static MemberTypes AllowType = MemberTypes.Field | MemberTypes.Property;public static void CloneField<T, T1>(this T instance, T1 copyTo) where T : class ,interTest, new(){var instanceType = instance.GetType();var copyType = copyTo.GetType();var copyField = copyType.GetFields();instanceType.GetFields().All(field =>{var temp = copyField.FirstOrDefault(o => o.Name.Equals(field.Name, StringComparison.CurrentCulture) && o.FieldType == field.FieldType);if (temp == null) return true;temp.SetValue(copyTo, field.GetValue(instance));return true;});}public static void CloneProperty<T, T1>(this T instance, T1 copyTo) where T : class ,interTest, new(){var instanceType = instance.GetType();var copyType = copyTo.GetType();var copyProperties = copyType.GetProperties();instanceType.GetProperties().All(property =>{var temp = copyProperties.FirstOrDefault(o => o.Name.Equals(property.Name, StringComparison.CurrentCulture) && o.PropertyType == property.PropertyType);if (temp == null) return true;temp.SetValue(copyTo, property.GetValue(instance, null), null);return true;});}}
}

class Program{static void Main(string[] args){Test t = new Test();t.Id = 1;t.Name = "shikyoh";t.TestId = 12;t.Property = 600;TestClone tc = new TestClone();t.CloneField(tc);t.CloneProperty(tc);Console.WriteLine("tc.Name:" + tc.Name);Console.WriteLine("tc.Id:" + tc.Id);Console.WriteLine("tc.Property:" + tc.Property);Console.WriteLine("tc.CloneId:" + tc.CloneId);}}