validateonline.cs

这一个能预报天气的软件

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;

namespace Core
{
    public class ValidateOnline
    {
        public bool IsValidateOnline()
        {
            try
            {
                Uri MyUri = new Uri("Http://www.qq.com");

                WebRequest wb = WebRequest.Create(MyUri);

                wb.Proxy = new System.Net.WebProxy();

                WebResponse wsp = wb.GetResponse();

                return true;
            }
            catch (Exception ex)
            {
                return false;
            }
        }
    }
}