using Stylet; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace MainShell.DeviceMaintance.Model { public class DeviceMaintanceBaseViewModel : Screen { public event Action UiStateChangedEvent = null; protected void OnUiStateChanged(bool uiStateChanged) { UiStateChangedEvent?.Invoke(uiStateChanged); } } }