OnDoc/Client/Klassen/Broadcaster.cs

using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Windows.Forms;
using BroadcastListener.Interfaces;

namespace BroadcastListener.Classes
{
    public class Broadcaster
    {
        private readonly Collection<IMessageListener1> _listeners = 
            new Collection<IMessageListener1>();

        /// <summary>
        /// Send message
        /// </summary>
        /// <param name="message">Message</param>
        /// <param name="sender"></param>
        /// <remarks></remarks>
        [DebuggerStepThrough()]
        public void Broadcast(string message, SenderInfo sender)
        {
            foreach (IMessageListener1 listener in _listeners)
            {
                listener.OnListen(message, sender);
            }
        }
        [DebuggerStepThrough()]
        
        /// <summary>
        /// Add a Listener to the Collection of Listeners
        /// </summary>
        /// <param name="listener"></param>
        public void AddListener(IMessageListener1 listener)
        {
            _listeners.Add(listener);
        }
        /// <summary>
        /// Remove a Listener from the collection
        /// </summary>
        /// <param name="listener"></param>
        public void RemoveListener(IMessageListener1 listener)
        {

            for (int index = 0; index < _listeners.Count; index++)
            {
                if ( _listeners[index].Equals(listener) )
                {
                    _listeners.Remove(_listeners[index]);
                }
            }
        }
    }

    public class SenderInfo
    {
        public string SenderName { get; set; }
        public string Function { get; set; }
        public string Details { get; set; }

        public SenderInfo(string SenderName, string Funtion, string Details)
        {
            this.SenderName= SenderName;
            this.Function= Funtion;
            this.Details= Details;
        }
    }
}