删除MainViewModel 里的兼容占位属性

XplorePlane/ViewModels/Main/MainViewModel.cs

@@ -173,6 +173,12 @@ namespace XplorePlane.ViewModels
 
         public bool IsUsingLiveDetectorSource => _mainViewportService.CurrentSourceMode == MainViewportSourceMode.LiveDetector;
 
+        // Temporary compatibility properties to avoid startup binding errors before
+        // NavigationPropertyPanelView replaces the inherited DataContext with its own ViewModel.
+        public BitmapSource CameraImageSource => null;
+        public string CameraStatusText => string.Empty;
+        public string CameraPixelCoord => string.Empty;
+
         public string DataRootPath
         {
             get => _dataRootPath;

XplorePlane/Views/Main/MainWindow.xaml

@@ -66,7 +66,7 @@
                 <telerik:RadRibbonGroup
                     telerik:ScreenTip.Title="Clipboard"
                     Header="文件"
-                    IsEnabled="{Binding Path=ClipboardGroup.IsEnabled}">
+                    >
                     <telerik:RadRibbonGroup.Variants>
                         <telerik:GroupVariant Priority="0" Variant="Large" />
                     </telerik:RadRibbonGroup.Variants>
@@ -390,7 +390,7 @@
               
                 </telerik:RadRibbonGroup>
 
-                <telerik:RadRibbonGroup Header="高级模块" IsEnabled="{Binding Path=CellsGroup.IsEnabled}">
+                <telerik:RadRibbonGroup Header="高级模块">
                     <telerik:RadRibbonGroup.Variants>
                         <telerik:GroupVariant Priority="0" Variant="Large" />
                     </telerik:RadRibbonGroup.Variants>
@@ -415,24 +415,22 @@
             </telerik:RadRibbonTab>
 
             <telerik:RadRibbonTab Header="3D扫描">
-                <telerik:RadRibbonGroup Header="扫描模式" IsEnabled="{Binding Path=LinksGroup.IsEnabled}">
+                <telerik:RadRibbonGroup Header="扫描模式">
                     <telerik:RadRibbonGroup.Variants>
                         <telerik:GroupVariant Priority="0" Variant="Large" />
                     </telerik:RadRibbonGroup.Variants>
                     <telerik:RadRibbonButton
         telerik:ScreenTip.Description="Create a link in your document for quick access to webpages and files.&#13;&#13;Hyperlinks can also take you to places in your document."
         telerik:ScreenTip.Title="Add a Hyperlink"
-        Command="{Binding Path=ShowHyperlinkDialog.Command}"
         Content="快速扫描"
-        IsEnabled="{Binding Path=ShowHyperlinkDialog.IsEnabled}"
+        IsEnabled="False"
         Size="Large"
         SmallImage="/Assets/Icons/quick-scan.png" />
                     <telerik:RadRibbonButton
         telerik:ScreenTip.Description="Create a link in your document for quick access to webpages and files.&#13;&#13;Hyperlinks can also take you to places in your document."
         telerik:ScreenTip.Title="Add a Hyperlink"
-        Command="{Binding Path=ShowHyperlinkDialog.Command}"
         Content="螺旋扫描"
-        IsEnabled="{Binding Path=ShowHyperlinkDialog.IsEnabled}"
+        IsEnabled="False"
         Size="Large"
         SmallImage="/Assets/Icons/spiral.png" />
                 </telerik:RadRibbonGroup>
@@ -455,11 +453,10 @@
                 <telerik:RadRibbonGroup
        telerik:ScreenTip.Description="Show the Alignment tab of the Format Cells dialog box."
        telerik:ScreenTip.Title="Format Cells: Alignment"
-       DialogLauncherCommand="{Binding Path=ShowFormatCellsDialog.Command}"
        DialogLauncherCommandParameter="Alignment"
-       DialogLauncherVisibility="{Binding Path=ShowFormatCellsDialog.IsEnabled, Converter={StaticResource BoolToVisibilityValueConverter}}"
+       DialogLauncherVisibility="Collapsed"
        Header="硬件"
-       IsEnabled="{Binding Path=AlignmentGroup.IsEnabled}">
+       IsEnabled="True">
                     <telerik:RadRibbonGroup.Variants>
                         <telerik:GroupVariant Priority="0" Variant="Large" />
                     </telerik:RadRibbonGroup.Variants>

XplorePlane/Views/Main/NavigationPropertyPanelView.xaml.cs

@@ -13,20 +13,32 @@ namespace XplorePlane.Views
         public NavigationPropertyPanelView()
         {
             InitializeComponent();
+            ResolveViewModel();
             Loaded += OnLoaded;
         }
 
         private void OnLoaded(object sender, RoutedEventArgs e)
         {
-            if (DataContext is NavigationPropertyPanelViewModel) return;
+            ResolveViewModel();
+        }
+
+        private void ResolveViewModel()
+        {
+            if (DataContext is NavigationPropertyPanelViewModel viewModel)
+            {
+                _viewModel = viewModel;
+                return;
+            }
 
             var bootstrapper = AppBootstrapper.Instance;
-            if (bootstrapper != null)
+            if (bootstrapper == null)
             {
+                return;
+            }
+
             _viewModel = bootstrapper.Container.Resolve<NavigationPropertyPanelViewModel>();
             DataContext = _viewModel;
         }
-        }
 
         /// <summary>
         /// 双击相机图像时，计算并显示点击位置的像素坐标。