AsyncEventHandler<TEventArgs> Delegate

Reference

Definition

Namespace:: Microsoft.VisualStudio.Threading

Assembly:: Microsoft.VisualStudio.Threading.dll

Package:: Microsoft.VisualStudio.Threading v17.13.2

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

An asynchronous event handler.

C++

generic <typename T>
 where T : EventArgspublic delegate System::Threading::Tasks::Task ^ AsyncEventHandler(System::Object ^ sender, T args);

C++

generic <typename TEventArgs>
public delegate System::Threading::Tasks::Task ^ AsyncEventHandler(System::Object ^ sender, TEventArgs args);

public delegate System.Threading.Tasks.Task AsyncEventHandler<T>(object sender, T args) where T : EventArgs;

public delegate System.Threading.Tasks.Task AsyncEventHandler<TEventArgs>(object? sender, TEventArgs args);

type AsyncEventHandler<'T (requires 'T :> EventArgs)> = delegate of obj * 'T -> Task

type AsyncEventHandler<'EventArgs> = delegate of obj * 'EventArgs -> Task

Public Delegate Function AsyncEventHandler(Of T)(sender As Object, args As T) As Task

Public Delegate Function AsyncEventHandler(Of TEventArgs)(sender As Object, args As TEventArgs) As Task

Type Parameters

T TEventArgs

The type of event arguments.

Parameters

sender: Object

The sender of the event.

args: TEventArgs

Event arguments.

Return Value

Task

A task whose completion signals handling is finished.

Extension Methods

InvokeAsync<TEventArgs>(AsyncEventHandler<TEventArgs>, Object, TEventArgs)

Invokes asynchronous event handlers, returning a task that completes when all event handlers have been invoked. Each handler is fully executed (including continuations) before the next handler in the list is invoked.

Applies to

Tuote	Versiot
Visual Studio SDK	2015, 2017, 2019, 2022

Jaa