完成修改多个变量修给轮询时间

Views/VariableTableView.xaml.cs

@@ -122,4 +122,27 @@ public partial class VariableTableView : UserControl
             NotificationHelper.ShowMessage("请选择要删除的变量", NotificationType.Warning);
         }
     }
+
+    private async void ChangePollLevel_Click(object sender, RoutedEventArgs args)
+    {
+        try
+        {
+            _viewModel = (VariableTableViewModel)this.DataContext;
+            var selectedVariables = BasicGridView.SelectedItems.Cast<VariableData>().ToList();
+            if (selectedVariables.Any())
+            {
+                await _viewModel.ChangePollLevel(selectedVariables);
+            }
+            else
+            {
+                NotificationHelper.ShowMessage("请选择要修改轮询频率的变量", NotificationType.Warning);
+            }
+        }
+        catch (Exception e)
+        {
+            string msg = "修改轮询时间时发生了错误：";
+            Logger.Error(msg + e);
+            NotificationHelper.ShowMessage(msg + e.Message, NotificationType.Error);
+        }
+    }
 }