How Can I Set a Timeout for WebClient.DownloadFile()?

Managing Timeouts with WebClient.DownloadFile()

The WebClient.DownloadFile() method can sometimes lead to lengthy download waits. To avoid this, implementing a timeout mechanism is crucial. This ensures downloads don't hang indefinitely.

A solution involves creating a custom class extending WebRequest to manage the timeout property. Here's how:

<code class="language-csharp">using System;
using System.Net;

public class WebDownload : WebClient
{
    /// <summary>
    /// Timeout in milliseconds
    /// </summary>
    public int Timeout { get; set; }

    public WebDownload() : this(60000) { }

    public WebDownload(int timeout)
    {
        this.Timeout = timeout;
    }

    protected override WebRequest GetWebRequest(Uri address)
    {
        WebRequest request = base.GetWebRequest(address);
        if (request != null)
        {
            request.Timeout = this.Timeout;
        }
        return request;
    }
}</code>

The WebDownload class functions like the standard WebClient, but adds a configurable Timeout property.

This approach provides control over download timeouts using WebClient.DownloadFile(), preventing excessive delays.

The above is the detailed content of How Can I Set a Timeout for WebClient.DownloadFile()?. For more information, please follow other related articles on the PHP Chinese website!