Self Hosted Web API Wrapper Class

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Web.Http.Dispatcher;
using System.Web.Http.SelfHost;
using System.Web.Http;

namespace WebAPI_Host
{
    public class WebAPI_Host
    {
        #region Private Variables
        private AssembliesResolver _AssembliesResolver = new AssembliesResolver();
        private HttpSelfHostConfiguration _WebHostConfig = null;
        private HttpSelfHostServer _Server = null;
        #endregion

        #region Constructor
        /// <summary>
        /// Class Constructor
        /// </summary>
        /// <param name="BaseAdress">The base address with which to configure the Web API Host.</param>
        public WebAPI_Host(string BaseAddress)
        {
            _WebHostConfig = new HttpSelfHostConfiguration(BaseAddress.Trim());
        }

        /// <summary>
        /// Default constructor (Base Address = http://localhost:8080)
        /// </summary>
        public WebAPI_Host()
        {
            _WebHostConfig = new HttpSelfHostConfiguration("http://localhost:8080");
        }
        #endregion

        #region Public Functionss
        /// <summary>
        /// Add a DLL File containing the Controllers to be hosted.
        /// </summary>
        /// <param name="FileName">A fully qualified pat to the DLL File.</param>
        public void AddLibrary(string FileName)
        {
            _AssembliesResolver.AddLibraryFile(FileName);
        }

        /// <summary>
        /// Function allows for the setting up of a route for the WebAPI Host.
        /// </summary>
        /// <param name="RouteName"></param>
        /// <param name="RouteTemplate"></param>
        /// <param name="Defaults"></param>
        public void AddRoute(string RouteName,
                             string RouteTemplate,
                             object Defaults)
        {
            _WebHostConfig.Routes.MapHttpRoute(RouteName,
                                               RouteTemplate,
                                               Defaults);                                                
        }

        /// <summary>
        /// Start the Web API Service.
        /// </summary>
        public void StartWebAPIHost()
        {
            _WebHostConfig.Services.Replace(typeof(IAssembliesResolver), _AssembliesResolver);

            _Server = new HttpSelfHostServer(_WebHostConfig);
            _Server.OpenAsync().Wait();
        }

        /// <summary>
        /// Stop the Service Listener.
        /// </summary>
        public void StopWebAPIHost()
        {
            _Server.CloseAsync();
        }
        #endregion
    }

    class AssembliesResolver : DefaultAssembliesResolver
    {
        private List<string> _LibraryFileList = new List<string>();

        /// <summary>
        /// Function will add a file to the library list.
        /// </summary>
        /// <param name="FileName"></param>
        /// <returns></returns>
        public void AddLibraryFile(string FileName)
        {
            // Make sure the file is not already on the List
            if (_LibraryFileList.Contains(FileName.ToUpper().Trim()))
            {
                throw new Exception("File already on the WEB Api Library List.");
            }

            // Make sure that the file actually exists.
            if (!File.Exists(FileName.Trim()))
            {
                throw new Exception("Specified WEB Api Library file does not exist!");
            }

            _LibraryFileList.Add(FileName.ToUpper().Trim());
        }

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public override ICollection<Assembly> GetAssemblies()
        {
            ICollection<Assembly> baseAssemblies = base.GetAssemblies();
            List<Assembly> assemblies = new List<Assembly>(baseAssemblies);

            //assemblies.Add(Assembly.LoadFrom(@"C:\Users\david.kolosowski\Documents\Visual Studio 2010\Projects\WebAPISelfHost\WebAPISelfHost\bin\Debug\ClassLibrary1.dll"));
            foreach (string sFile in _LibraryFileList)
            {
                assemblies.Add(Assembly.LoadFrom(sFile));
            }

            return assemblies;
        }
    }
}