Csharp/C Sharp/Development Class/EventArgs

Subclass EventArgs

<source lang="csharp">

using System;

[Serializable] public sealed class MailReceivedEventArgs : EventArgs {

   private readonly string from;
   private readonly string subject;
   public MailReceivedEventArgs(string from, string subject) {
       this.from = from;
       this.subject = subject;
   }
   public string From { get { return from; } }
   public string Subject { get { return subject; } }

} public class MainClass {

   public static void Main() {
       MailReceivedEventArgs args = new MailReceivedEventArgs("D", "Y");
       Console.WriteLine("From: {0}, Subject: {1}", args.From, args.Subject);
   }

}

</source>