title ArgTraitsHelper::args Constant | Microsoft Docs ms.custom ms.date 11/04/2016 ms.reviewer ms.suite ms.technology cpp-windows ms.tgt_pltfrm ms.topic reference f1_keywords event/Microsoft::WRL::Details::ArgTraitsHelper::args dev_langs C++ helpviewer_keywords args constant ms.assetid 1c0efa32-c072-43e3-bbd9-a3f6aec069a2 caps.latest.revision 5 author mikeblome ms.author mblome manager ghogen translation.priority.ht de-de es-es fr-fr it-it ja-jp ko-kr ru-ru zh-cn zh-tw translation.priority.mt cs-cz pl-pl pt-br tr-tr ArgTraitsHelper::args Constant Supports the WRL infrastructure and is not intended to be used directly from your code. Syntax static const int args = Traits::args; Remarks Helps ArgTraitsHelper::args keep count of the number of parameters on the Invoke method of a delegate interface. Requirements Header: event.h Namespace: Microsoft::WRL::Details See Also ArgTraitsHelper Structure Microsoft::WRL::Details Namespace