PingCompletedEventArgs.cs

using System.ComponentModel;

namespace System.Net.NetworkInformation
{
    public class PingCompletedEventArgs : AsyncCompletedEventArgs
    {
        private PingReply reply;

        public PingReply Reply => reply;

        internal PingCompletedEventArgs(PingReply reply, Exception error, bool cancelled, object userToken)
            : base(error, cancelled, userToken)
        {
            this.reply = reply;
        }
    }
}