添加了变量表的停用和启用功能，并优化了添加变量表和添加设备的逻辑

Views/VariableTableView.xaml.cs

@@ -1,14 +1,44 @@
+using System.Windows;
 using System.Windows.Controls;
+using iNKORE.UI.WPF.Modern.Controls;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using PMSWPF.Helper;
 using PMSWPF.ViewModels;
 
 namespace PMSWPF.Views;
 
 public partial class VariableTableView : UserControl
 {
+    public bool IsLoadCompletion;
+
     public VariableTableView()
     {
         InitializeComponent();
-        DataContext = App.Current.Services.GetRequiredService<VariableTableViewModel>();
+        IsLoadCompletion = false;
+    }
+
+
+    private async void OnIsActiveChanged(object sender, RoutedEventArgs e)
+    {
+        try
+        {
+            var _viewModel = (VariableTableViewModel)this.DataContext;
+            // 判断如果没有加载完成就跳过，防止ToggleSwtich加载的时候触发
+            if (!_viewModel.IsLoadCompletion || !IsLoadCompletion)
+                return;
+
+            ToggleSwitch toggleSwitch = (ToggleSwitch)sender;
+            await _viewModel.OnIsActiveChanged(toggleSwitch.IsOn);
+        }
+        catch (Exception exception)
+        {
+            NotificationHelper.ShowMessage($"修改变量表启用，停用时发生了错误：{exception.Message}");
+        }
+    }
+
+    private void VariableTableView_OnLoaded(object sender, RoutedEventArgs e)
+    {
+        IsLoadCompletion = true;
     }
 }