Events Class

[SerializableAttribute]
public sealed class Events : MarshalByRefObject

<SerializableAttribute>
Public NotInheritable Class Events
	Inherits MarshalByRefObject

 using Tekla.Structures.Model;

 public class Example
 {
     private Tekla.Structures.Model.Events _events = new Tekla.Structures.Model.Events();
     private object _selectionEventHandlerLock = new object();
     private object _changedObjectHandlerLock = new object();

     public void RegisterEventHandler()
     {
         _events.SelectionChange += Events_SelectionChangeEvent;
         _events.ModelObjectChanged += Events_ModelObjectChangedEvent;
         _events.Register();
     }

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

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

     void Events_ModelObjectChangedEvent(List<ChangeData> changes)
     {
         /* Make sure that the inner code block is running synchronously */
         lock (_changedObjectHandlerLock)
         {
             foreach(ChangeData data in changes)
                 System.Console.WriteLine("Changed event received " + ":" + data.Object.ToString() + ":" + " Type" + ":" + data.Type.ToString() + " guid: " + data.Object.Identifier.GUID.ToString());
             System.Console.WriteLine("Changed event received for " + changes.Count.ToString() + " objects");
         }
     }
}