完成个删除变量功能

Views/VariableTableView.xaml

@@ -70,8 +70,8 @@
                     </ui:AppBarButton.Icon>
                 </ui:AppBarButton>
 
-                <ui:AppBarButton Command="{Binding DeleteVarDataCommand}"
-                                 Label="删除变量">
+                <ui:AppBarButton Label="删除变量"
+                                 Click="DeleteVarData_Click">
                     <ui:AppBarButton.Icon>
                         <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Delete}" />
                     </ui:AppBarButton.Icon>
@@ -141,10 +141,12 @@
 
         </ikw:SimpleStackPanel>
 
-        <DataGrid Margin="10"
+        <DataGrid x:Name="BasicGridView"
+                  Margin="10"
                   CellEditEnding="DataGrid_OnCellEditEnding"
                   AutoGenerateColumns="False"
                   CanUserSortColumns="True"
+                  SelectionMode="Extended"
                   SelectedItem="{Binding SelectedVariableData}"
                   ItemsSource="{Binding DataVariables}">
             <DataGrid.RowStyle>

Views/VariableTableView.xaml.cs

@@ -108,4 +108,18 @@ public partial class VariableTableView : UserControl
             NotificationHelper.ShowMessage(msg + e.Message, NotificationType.Error);
         }
     }
+
+    private async void DeleteVarData_Click(object sender, RoutedEventArgs e)
+    {
+        _viewModel = (VariableTableViewModel)this.DataContext;
+        var selectedVariables = BasicGridView.SelectedItems.Cast<VariableData>().ToList();
+        if (selectedVariables.Any())
+        {
+            await _viewModel.DeleteVarData(selectedVariables);
+        }
+        else
+        {
+            NotificationHelper.ShowMessage("请选择要删除的变量", NotificationType.Warning);
+        }
+    }
 }