添加项目文件。

BaseFrame/Views/Dialogs/MessageBoxView.xaml.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace BaseFrame.Views.Dialogs
+{
+    /// <summary>
+    /// MessageBoxView.xaml 的交互逻辑
+    /// </summary>
+    public partial class MessageBoxView : UserControl
+    {
+        public MessageBoxView()
+        {
+            InitializeComponent();
+        }
+
+        private void Border_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+        {
+            if (e.LeftButton == MouseButtonState.Pressed)
+            {
+                Window.GetWindow(this)?.DragMove();
+            }
+        }
+    }
+}