PocoInvoker.cs

public class PocoInvoker : ControllerActionInvoker {
    protected override ActionResult CreateActionResult (ControllerContext controllerContext, ActionDescriptor actionDescriptor, object actionReturnValue) {
        if (!(actionReturnValue is ActionResult)) {
		controllerContext.Controller.ViewData.Model = actionReturnValue;
		return new PocoResult (actionReturnValue);
	}
	return base.CreateActionResult (controllerContext, actionDescriptor, actionReturnValue);
    }
}