using System;

​

public abstract class Base

{

}

​

public enum EnumWorkflowJobType

{

    Class1 = 1,

    Class2 = 2,

} 

​

public class Derived1 : Base

{

    public static EnumWorkflowJobType ClassType { get { return EnumWorkflowJobType.Class1; } }

}

​

public class Derived2 : Base

{

    public static EnumWorkflowJobType ClassType { get { return EnumWorkflowJobType.Class2; } }

}

​

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine(FindClassByEnum(EnumWorkflowJobType.Class1).FullName);

        Console.WriteLine(FindClassByEnum(EnumWorkflowJobType.Class2).FullName);

    }

    public static Type FindClassByEnum(EnumWorkflowJobType enumClassType)

    {

        foreach (var type in typeof(Base).Assembly.DefinedTypes) 

        {

            if (!type.IsAbstract && !type.IsInterface && typeof(Base).IsAssignableFrom(type))

            {

                var propValue = (EnumWorkflowJobType) type.GetProperty("ClassType", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public).GetValue(null);

                if (propValue == enumClassType) 

                {

                    return type;

                }

            }

        }   

        return null;

    }

}