public static T Resolve <T>(this IMefContainer container)
{
var service = container.Resolve(typeof(T), null);
return(service is T ? (T)service : default(T));
}
/// <summary>
/// Requires T2 having parameterless constructor
/// </summary>
public static void Register <T, T2>(this IMefContainer container) where T2 : T, new()
{
container.RegisterFunc(() => new T2());
container.RegisterFunc <T>(() => container.Resolve <T2>());
}
