Get field from class using reflection c# [duplicate]

This question already has an answer here:

• C# Reflection - Get field values from a simple class 3 answers

How to get all fields from SuperClass1 by reflection?

namespace ConsoleApplication9
{
class Program
{
    static void Main(string[] args)
    {
        SuperClass1.SubClass1 class1 = new SuperClass1.SubClass1();
        SuperClass2.SubClass2 class2 = new SuperClass2.SubClass2();
        PrintAllFields(class1);
    }

    public static void PrintAllFields(object obj)
    {
        var SuperClassType = obj.GetType();
        SuperClassType.GetFields();
    }
}

public class SuperClass1
{
    public int param1;
    public int param2;
    public int param3;
    public class SubClass1
    {
        public int paramTest;
    }
}

public class SuperClass2
{
    public int param4;
    public int param5;
    public class SubClass2
    {
        public int paramTest;
    }
}
}