添加项目文件。

WPFWCSDemo/Views/DevicesNavigationView.xaml.cs

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+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 WPFWCSDemo.Views
+{
+    /// <summary>
+    /// DevicesNavigationView.xaml 的交互逻辑
+    /// </summary>
+    public partial class DevicesNavigationView : Page
+    {
+        private static Frame _navagationFrame;
+        public DevicesNavigationView()
+        {
+            InitializeComponent();
+            DataContext = new ViewModels.DevicesNavigationViewModel(_navagationFrame);
+        }
+
+        /// <summary>
+        /// 获取主页导航的Frame对象
+        /// </summary>
+        /// <param name="frame"></param>
+        public static void GetMainFrame(Frame frame)
+        {
+            _navagationFrame = frame;
+        }
+
+    }
+}