Added an option to the File menu to restart dnSpy with administrato…

…r privileges (refs #291)

dnSpy/dnSpy/MainApp/AppWindow.cs

@@ -143,7 +143,7 @@ public Window InitializeMainWindow() {
 #if DEBUG
 			AddTitleInfo("Debug Build");
 #endif
-			if (IsAdministrator())
+			if (Constants.IsRunningAsAdministrator)
 				AddTitleInfo(dnSpy_Resources.User_Administrator);
 			wpfCommandService.Add(ControlConstants.GUID_MAINWINDOW, mainWindow);
 			new SavedWindowStateRestorer(mainWindow, uiSettings.SavedWindowState, DefaultWindowLocation);
@@ -154,11 +154,6 @@ public Window InitializeMainWindow() {
 			return mainWindow;
 		}
 
-		static bool IsAdministrator() {
-			using (var id = WindowsIdentity.GetCurrent())
-				return new WindowsPrincipal(id).IsInRole(WindowsBuiltInRole.Administrator);
-		}
-
 		void IDsLoaderContentProvider.SetLoadingContent(object content) {
 			Debug.Assert(stackedContent.Count == 0);
 			stackedContent.AddChild(StackedContentChildImpl.GetOrCreate(content, content));

dnSpy/dnSpy/MainApp/Constants.cs

@@ -17,10 +17,19 @@ You should have received a copy of the GNU General Public License
     along with dnSpy.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+using System.Security.Principal;
+
 namespace dnSpy.MainApp {
 	static class Constants {
 		public const string DnSpy = "dnSpy";
 		// Used in filenames so must only have valid filename chars
 		public const string DnSpyFile = DnSpy;
+
+		public static bool IsRunningAsAdministrator { get; }
+
+		static Constants() {
+			using var id = WindowsIdentity.GetCurrent();
+			IsRunningAsAdministrator = new WindowsPrincipal(id).IsInRole(WindowsBuiltInRole.Administrator);
+		}
 	}
 }

dnSpy/dnSpy/MainApp/RestartAsAdministratorCommand.cs

@@ -0,0 +1,61 @@
+/*
+	Copyright (C) 2024 ElektroKill
+
+	This file is part of dnSpy
+
+	dnSpy is free software: you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	dnSpy is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with dnSpy.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+using System.ComponentModel;
+using System.ComponentModel.Composition;
+using System.Diagnostics;
+using System.Reflection;
+using System.Windows.Input;
+using dnSpy.Contracts.App;
+using dnSpy.Contracts.Menus;
+
+namespace dnSpy.MainApp {
+	[ExportMenuItem(OwnerGuid = MenuConstants.APP_MENU_FILE_GUID, Header = "res:RestartAsAdministratorCommand", Group = MenuConstants.GROUP_APP_MENU_FILE_EXIT, Order = 900000)]
+	sealed class RestartAsAdministratorCommand : MenuItemBase {
+		readonly IAppWindow appWindow;
+
+		[ImportingConstructor]
+		public RestartAsAdministratorCommand(IAppWindow appWindow) => this.appWindow = appWindow;
+
+		public override bool IsVisible(IMenuItemContext context) => !Constants.IsRunningAsAdministrator;
+
+		public override void Execute(IMenuItemContext context) {
+			appWindow.MainWindowClosing += OnMainWindowClosing;
+			((ICommand)ApplicationCommands.Close).Execute(context);
+		}
+
+		void OnMainWindowClosing(object? sender, CancelEventArgs args) {
+			appWindow.MainWindowClosing -= OnMainWindowClosing;
+			// If a different handler canceled the close operation, don't restart.
+			if (args.Cancel)
+				return;
+			var location = Assembly.GetEntryAssembly()?.Location;
+			if (location is null) {
+				args.Cancel = true;
+				return;
+			}
+			try {
+				Process.Start(new ProcessStartInfo(location) { UseShellExecute = true, Verb = "runas" });
+			}
+			catch {
+				args.Cancel = true;
+			}
+		}
+	}
+}

dnSpy/dnSpy/Properties/dnSpy.Resources.resx

@@ -504,6 +504,9 @@
   <data name="ResourcesFolder" xml:space="preserve">
     <value>Resources</value>
   </data>
+  <data name="RestartAsAdministratorCommand" xml:space="preserve">
+    <value>Restart as Administrator</value>
+  </data>
   <data name="SaveKey" xml:space="preserve">
     <value>Ctrl+S</value>
   </data>