完成添加变量对话框验证

DMS.WPF/Views/Dialogs/VariableDialog.xaml.cs

@@ -9,6 +9,7 @@ public partial class VariableDialog
 {
     private const int ContentAreaMaxWidth = 1200;
     private const int ContentAreaMaxHeight = 900;
+    
     public VariableDialog()
     {
         InitializeComponent();
@@ -20,7 +21,21 @@ public partial class VariableDialog
         var backgroundElementBorder = VisualTreeFinder.FindVisualChildByName<Border>(this, "BackgroundElement");
         backgroundElementBorder.MaxWidth = ContentAreaMaxWidth;
         backgroundElementBorder.MaxWidth = ContentAreaMaxHeight;
-
     }
-
+    
+    private async void ContentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
+    {
+        // 获取ViewModel
+        if (DataContext is VariableDialogViewModel viewModel)
+        {
+            // 调用ViewModel的PrimaryButtonAsync方法
+            bool isValid = await viewModel.PrimaryButtonAsync();
+            
+            // 如果验证失败，取消对话框关闭
+            if (!isValid)
+            {
+                args.Cancel = true;
+            }
+        }
+    }
 }