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InvokeHelper Structure

  • Article

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

template<
   typename TDelegateInterface,
   typename TCallback,
   unsigned int argCount
>
struct InvokeHelper;
template<
   typename TDelegateInterface,
   typename TCallback
>
struct InvokeHelper<TDelegateInterface, TCallback, 0> : public Microsoft::WRL::RuntimeClass<RuntimeClassFlags<Delegate>, TDelegateInterface>;
template<
   typename TDelegateInterface,
   typename TCallback
>
struct InvokeHelper<TDelegateInterface, TCallback, 1> : public Microsoft::WRL::RuntimeClass<RuntimeClassFlags<Delegate>, TDelegateInterface>;
template<
   typename TDelegateInterface,
   typename TCallback
>
struct InvokeHelper<TDelegateInterface, TCallback, 2> : public Microsoft::WRL::RuntimeClass<RuntimeClassFlags<Delegate>, TDelegateInterface>;
template<
   typename TDelegateInterface,
   typename TCallback
>
struct InvokeHelper<TDelegateInterface, TCallback, 3> : public Microsoft::WRL::RuntimeClass<RuntimeClassFlags<Delegate>, TDelegateInterface>;
template<
   typename TDelegateInterface,
   typename TCallback
>
struct InvokeHelper<TDelegateInterface, TCallback, 4> : Microsoft::WRL::RuntimeClass<RuntimeClassFlags<Delegate>, TDelegateInterface>;
template<
   typename TDelegateInterface,
   typename TCallback
>
struct InvokeHelper<TDelegateInterface, TCallback, 5> : Microsoft::WRL::RuntimeClass<RuntimeClassFlags<Delegate>, TDelegateInterface>;
template<
   typename TDelegateInterface,
   typename TCallback
>
struct InvokeHelper<TDelegateInterface, TCallback, 6> : Microsoft::WRL::RuntimeClass<RuntimeClassFlags<Delegate>, TDelegateInterface>;
template<
   typename TDelegateInterface,
   typename TCallback
>
struct InvokeHelper<TDelegateInterface, TCallback, 7> : Microsoft::WRL::RuntimeClass<RuntimeClassFlags<Delegate>, TDelegateInterface>;
template<
   typename TDelegateInterface,
   typename TCallback
>
struct InvokeHelper<TDelegateInterface, TCallback, 8> : Microsoft::WRL::RuntimeClass<RuntimeClassFlags<Delegate>, TDelegateInterface>;
template<
   typename TDelegateInterface,
   typename TCallback
>
struct InvokeHelper<TDelegateInterface, TCallback, 9> : Microsoft::WRL::RuntimeClass<RuntimeClassFlags<Delegate>, TDelegateInterface>;

Parameters

  • TDelegateInterface

  • TCallback
    The type of the event handler function.

  • argCount
    The number of arguments in an InvokeHelper specialization.

Remarks

Provides an implementation of the Invoke() method based on the specified number and type of arguments.

Members

Public Typedefs

Name

Description

Traits

A synonym for the class that defines the type of each event handler argument.

Public Constructors

Name

Description

InvokeHelper::InvokeHelper Constructor

Initializes a new instance of the InvokeHelper class.

Public Methods

Name

Description

InvokeHelper::Invoke Method

Calls the event handler whose signature contains the specified number of arguments.

Public Data Members

Name

Description

InvokeHelper::callback_ Data Member

Represents the event handler to call when an event occurs.

Inheritance Hierarchy

InvokeHelper

Requirements

Header: event.h

Namespace: Microsoft::WRL::Details

See Also

Reference

Microsoft::WRL::Details Namespace