static void Main(string[] args)
{
var request = new MyRequest();
IMediator mediator = new Mediator();
var type = request.GetType();
var method = mediator.GetType().GetMethod("Send");
var responseType = type.GetInterfaces()
.Single(i => i.GetGenericTypeDefinition() == typeof(IRequest <>))
.GetGenericArguments()
.Single();
var generic = method.MakeGenericMethod(responseType);
//Exception
var response = generic.Invoke(mediator, new object[] { request });
}
