public override DPDisplayControl GetDisplayUserInterface()
        {
            if (uiControl == null)
            {
                uiControl = new DPDisplayUserTime(PropertyValues);
                uiControl.ValueChangedByDisplayUI += uiControl_ValueChanged;
            }

            uiControl.InitializeControl();

            return(uiControl);
        }
 public DataProviderUserTime() : base()
 {
     uiControl = null;
 }