public RectangleToolsDependencyMapper() { clientSettings = new ClientSettings(); rectangleController = GetRectangleUiController(); rectangleCongigButton = new RectangleConfigButton(); userInterfaceEvents = new UserInterfaceEventsLib(StandardAddInServer.InventorApplication); userInterfaceEvents.OnResetRibbonInterfaceDelegate += UserInterfaceEvents_OnResetRibbonInterface; userInterfaceEvents.UserInterfaceEvents.OnResetRibbonInterface += userInterfaceEvents .OnResetRibbonInterfaceDelegate; }