Events Class

[SerializableAttribute]
public sealed class Events : MarshalByRefObject, 
	IEvents

<SerializableAttribute>
Public NotInheritable Class Events
	Inherits MarshalByRefObject
	Implements IEvents

using Tekla.Structures.Drawing;

   public class Example
   {
       private Events _events = new Events();
       private object _statusChangedEventHandlerLock = new object();

       public void RegisterEventHandler()
       {
           _events.DrawingStatusChanged += Events_DrawingStatusChangedEvent;
           _events.Register();
       }

       public void UnRegisterEventHandler()
       {
           _events.UnRegister();
       }

       void Events_DrawingStatusChangedEvent()
       {
           /* Make sure that the inner code block is running synchronously */
           lock(_statusChangedEventHandlerLock)
           {
               System.Console.WriteLine("Selection changed event received.");
           }
       }
   }