暂时更改一部分Skill

Source/Store.Management.Framework/ViewModels/LoadingStatus.cs

@@ -0,0 +1,34 @@
+using Prism.Mvvm;
+
+namespace Store.Management.Framework.ViewModels;
+
+/// <summary>异步操作的加载消息与错误状态。</summary>
+public sealed class LoadingStatus : BindableBase
+{
+    private bool _isLoading;
+    private string _message = "";
+    private string _errorMessage = "";
+
+    public bool IsLoading { get => _isLoading; private set => SetProperty(ref _isLoading, value); }
+    public string Message { get => _message; private set => SetProperty(ref _message, value); }
+    public string ErrorMessage { get => _errorMessage; private set => SetProperty(ref _errorMessage, value); }
+
+    public void Initialize(string message)
+    {
+        ErrorMessage = "";
+        Message = message;
+        IsLoading = true;
+    }
+
+    public void Done()
+    {
+        IsLoading = false;
+        Message = "";
+    }
+
+    public void Error(string message)
+    {
+        Done();
+        ErrorMessage = message;
+    }
+}