AsyncEventHandler.cs

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Microsoft.VisualStudio.Threading;

/// <summary>
/// An asynchronous event handler.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="args">Event arguments.</param>
/// <returns>A task whose completion signals handling is finished.</returns>
public delegate Task AsyncEventHandler(object? sender, EventArgs args);

/// <summary>
/// An asynchronous event handler.
/// </summary>
/// <typeparam name="TEventArgs">The type of event arguments.</typeparam>
/// <param name="sender">The sender of the event.</param>
/// <param name="args">Event arguments.</param>
/// <returns>A task whose completion signals handling is finished.</returns>
public delegate Task AsyncEventHandler<TEventArgs>(object? sender, TEventArgs args);