var a = AppDomain.CurrentDomain**.GetAssemblies**();
        foreach (var assembly in a)
        {
            if (assembly is System.Reflection**.Emit.**AssemblyBuilder) continue;
            if (assembly**.GetType().**FullName == "System.Reflection.Emit.InternalAssemblyBuilder") continue;
            if (assembly**.GlobalAssemblyCache** && assembly**.CodeBase** == Assembly.GetExecutingAssembly()**.CodeBase**) continue;

            foreach (var t in GetLoadableTypes(assembly))
            {
                if (t.IsInterface) continue;
                if (t.IsAbstract) continue;
                if (t.IsNotPublic) continue;
                if (!typeof(IGeometryServices).IsAssignableFrom(t)) continue;

                var constuctors = t.GetConstructors();
                foreach (var constructorInfo in constuctors)
                {
                    if (constructorInfo.IsPublic && constructorInfo.GetParameters().Length == 0)
                        return (IGeometryServices)Activator.CreateInstance(t);
                }
            }
        }

catch (**ReflectionTypeLoadException** ex)
        {
            var types = ex**.Types**;
            IList<Type> list = new List<Type>(types**.Length**);
            foreach (var t in types)
                if (t != null && t**.IsPublic**)
                    list.Add(t);
            return list;
        }

var a = AppDomain.CurrentDomain.GetAssemblies();

var a = new[] {Assembly.GetCallingAssembly(), Assembly.GetExecutingAssembly()};

if (assembly is System.Reflection.Emit.AssemblyBuilder) continue;

if (assembly.GetType().FullName == System.Reflection.Emit.InternalAssemblyBuilder") continue;

if (assembly.GlobalAssemblyCache && assembly.CodeBase == Assembly.GetExecutingAssembly().CodeBase) continue;

foreach (var t in GetLoadableTypes(assembly))
{
  if (t.IsInterface) continue;
  if (t.IsAbstract) continue;
  if (t.IsNotPublic) continue;
  if (!typeof(IGeometryServices).IsAssignableFrom(t)) continue;