我有一個dll包含以下類的文件。public class UnityContainerConfig : IContainer{    private IUnityContainer _unityContainer;    public UnityContainerConfig()    {        _unityContainer = new UnityContainer();    }    public void Register(HttpConfiguration config)    {    }}現在我想從另一個項目的程序集中加載這個類。AssemblyName assemblyName = AssemblyName.GetAssemblyName(path);Assembly iocConfigurationAssembly = Assembly.Load(assemblyName);Type configFile = iocConfigurationAssembly.GetType("UnityContainerConfig");程序集已正確加載，null但當我嘗試使用GetType.