添加项目文件。

Sai.RvKits/RvCommon/AutoSaveViewModel.cs

@@ -0,0 +1,33 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+
+namespace Sai.RvKits.RvCommon;
+
+public partial class AutoSaveViewModel : ObservableValidator
+{
+	public AutoSaveViewModel()
+	{
+		IsActiveAutoSave = Properties.Settings.Default.IsActiveAutoSave;
+		IntervalTime = Properties.Settings.Default.AutoSaveIntervalTime;
+	}
+    [ObservableProperty]
+	private bool isActiveAutoSave;
+
+    [Required(ErrorMessage = "不可为空")]
+    [DefaultValue(15)]
+    [NotifyDataErrorInfo]
+    [Range(5, 30, ErrorMessage = "输入值应在5~30分钟之间")]
+    [ObservableProperty]
+    private int intervalTime;
+
+
+	[RelayCommand]
+	private void Closing()
+	{
+		Properties.Settings.Default.IsActiveAutoSave = IsActiveAutoSave;
+		Properties.Settings.Default.AutoSaveIntervalTime = IntervalTime;
+		Properties.Settings.Default.Save();
+	}
+}