// The following pattern should be used for the method that raises the event:
// The OnMsgArrived method raises the event by invoking the delegates.
// The sender is always "this", the current instance of the class.
// Note: For classes designed to be subclassable, the following should be a protected virtual method.
// Making it protected virtual provides a way for a subclass to handle the event using an override.
// Naming convention: On<EventName>
protected virtual void OnMsgArrived(MsgArrivedEventArgs me, object excludeClient)
{
if (MsgArrivedHandler != null)
{
// Send message to all clients except 'excludeClient'
if (excludeClient == null)
{
MsgArrivedHandler(this, me); // sender is NULL since this is a static method and there is no object
}
else
{
Delegate[] DelegateList = MsgArrivedHandler.GetInvocationList();
for (int i = 0; i < DelegateList.Length; i++)
{
if (DelegateList[i].Target != excludeClient)
{
((MsgArrivedEventHandler)DelegateList[i])(this, me);
}
}
}
}
}
private void onMsgArrived(object sender, MsgArrivedEventArgs me)
{
Console.WriteLine("Msg arrived (Client {0}): {1} Server: {2}", clientName, me.Message, sender.ToString());
}
public void SendMsg(string msg, object excludeClient)
{
MsgArrivedEventArgs me = new MsgArrivedEventArgs(msg);
OnMsgArrived(me, excludeClient);
}