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