using CommunityToolkit.Mvvm.ComponentModel; namespace HME_MoistureLossMeter.ViewModels { public abstract class ViewModelBase : ObservableObject { private bool _isBusy; public bool IsBusy { get => _isBusy; set => SetProperty(ref _isBusy, value); } private string _statusMessage = "就绪"; public string StatusMessage { get => _statusMessage; set => SetProperty(ref _statusMessage, value); } } }