CODEWITHSUNDEEP
c#reflection
AnxiousdeV
AnxiousdeV

Reputation: 373

C# Reflection method GetProperties(BindingFlags.Instance) not returning child class objects

I am attempting to retrieve the child classes of an object while omitting primitive types.

   public class Dog
    {
    public int Id {get;set;}
    public int Name {get;set;}
    public Breed Breed {get;set;}
    }

var dog = new Dog(); var children = dog.GetType().GetProperties(BindingFlags.Instance);

Why does the children array not contain the breed property?

Upvotes: 0

Views: 777

Answers (1)

Oguz Ozgul
Oguz Ozgul

Reputation: 7187

By supplying only BindingFlags.Instance, you can't get any properties at all, because you are not sending any access modifier predicate.

According to your needs, combine these flags with bitwise OR operator |

You can find the documentation here: https://learn.microsoft.com/en-us/dotnet/api/system.reflection.bindingflags?view=netframework-4.8

var children = dog.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);

EDIT:

Unfortunately, the enumeration does not have any value for filtering the properties according to their value types. To make this a complete answer, the filtering to an array containing only the Breed property is as contributed by @const-phi:

var result = children.Where(c => c.PropertyType.IsClass).ToArray(); // Const Phi

Upvotes: 2

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