public void invokeEvent_SignatureSelected(String sSignature)
 {
     if (eNodeEvent_SignatureSelected != null)
     {
         DI.log.debug("Function signature selected, invoking event:{0}", sSignature);
         foreach (Delegate dDelegate in eNodeEvent_SignatureSelected.GetInvocationList())
         {
             dDelegate.DynamicInvoke(new[] { sSignature });
         }
     }
 }