Fixes #1812

ILSpy/Commands/DecompileInNewViewCommand.cs

@@ -62,9 +62,11 @@ namespace ICSharpCode.ILSpy.Commands
 		{
 			if (nodes.Length == 0)
 				return;
+
 			var title = string.Join(", ", nodes.Select(x => x.ToString()));
 			DockWorkspace.Instance.Documents.Add(new ViewModels.DecompiledDocumentModel(title, title) { Language = MainWindow.Instance.CurrentLanguage, LanguageVersion = MainWindow.Instance.CurrentLanguageVersion });
 			DockWorkspace.Instance.ActiveDocument = DockWorkspace.Instance.Documents.Last();
+			MainWindow.Instance.SelectNodes(nodes);
 			MainWindow.Instance.Dispatcher.BeginInvoke(System.Windows.Threading.DispatcherPriority.Background, (Action)delegate {
 				DockWorkspace.Instance.GetTextView().DecompileAsync(MainWindow.Instance.CurrentLanguage, nodes, new DecompilationOptions());
 			});

ILSpy/MainWindow.xaml.cs

@@ -117,10 +117,10 @@ namespace ICSharpCode.ILSpy
 			};
 
 			DockWorkspace.Instance.LoadSettings(sessionSettings);
-
 			InitializeComponent();
-
 			DockWorkspace.Instance.InitializeLayout(DockManager);
+			DockWorkspace.Instance.PropertyChanged += filter_DockWorkspace_PropertyChanged;
+
 
 			sessionSettings.FilterSettings.PropertyChanged += filterSettings_PropertyChanged;
 
@@ -131,6 +131,17 @@ namespace ICSharpCode.ILSpy
 			this.Loaded += MainWindow_Loaded;
 		}
 
+		private void filter_DockWorkspace_PropertyChanged(object sender, PropertyChangedEventArgs e)
+		{
+			if (e.PropertyName == "ActiveDocument") {
+				if ((sender as DockWorkspace).ActiveDocument is DecompiledDocumentModel doc) {
+					var view = doc.TextView;
+					if (view != null)
+						MainWindow.Instance.SelectNodes(view.GetState().DecompiledNodes);
+				}
+			}
+		}
+
 		void SetWindowBounds(Rect bounds)
 		{
 			this.Left = bounds.Left;