argtraitshelper-structure.md

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ArgTraitsHelper Structure | Microsoft Docs		11/04/2016			cpp-windows		reference	event/Microsoft::WRL::Details::ArgTraitsHelper	C++	ArgTraitsHelper structure	e3f798da-0aef-4a57-95d3-d38c34c47d72	5	mikeblome	mblome	ghogen

ArgTraitsHelper Structure

Supports the WRL infrastructure and is not intended to be used directly from your code.

Syntax

template<  
   typename TDelegateInterface  
>  
struct ArgTraitsHelper;  

Parameters

TDelegateInterface
A delegate interface.

Remarks

Helps define common characteristics of delegate arguments.

Members

Public Typedefs

Name	Description
methodType	A synonym for decltype(&TDelegateInterface::Invoke).
Traits	A synonym for ArgTraits<methodType>.

Public Constants

Name	Description
ArgTraitsHelper::args Constant	Helps ArgTraits::args keep count of the number of parameters on the Invoke method of a delegate interface.

Inheritance Hierarchy

ArgTraitsHelper

Requirements

Header: event.h

Namespace: Microsoft::WRL::Details

See Also

Microsoft::WRL::Details Namespace