internal void InvokeEngineerProgressEvent(EngineerProgressEvent arg) { EngineerProgressEvent?.Invoke(this, arg); }
internal void InvokeEngineerProgressEvent(EngineerProgressEvent arg) => EngineerProgressEvent?.Invoke(null, arg);
internal void InvokeEngineerProgressEvent(EngineerProgressEvent arg) { EngineerProgressEvent?.Invoke(this, arg); }
internal void InvokeEngineerProgressEvent(EngineerProgressEvent arg) => EngineerProgressEvent?.Invoke(null, arg);