How to get Type from antoher project of class of from class name string

I need to get type of TestClass from AnotherProject.GetClassType method but I get null

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Reflection;
namespace TestProject.MyClasses.Test
{

        public class TestClass
        {
          public void Print()
          {
            Console.Write("Hello World");
          }
        }
}

but I get type = null

I try this one Type type = Type.GetType("TestProject.MyClasses.Test.TestClass, TestProject");