Running as Administrator if configured

Switcheroo/OptionsWindow.xaml

@@ -17,6 +17,9 @@
                      GotFocus="HotkeyPreview_OnGotFocus"
                      LostFocus="HotkeyPreview_OnLostFocus" />
             <CheckBox Name="AltTabCheckBox" Checked="AltTabCheckBox_OnChecked" Unchecked="AltTabCheckBox_OnUnchecked" Margin="5">Activate Switcheroo with Alt+Tab</CheckBox>
+
+            <CheckBox Name="RunAsAdministrator" Margin="5">Run as Adminstrator on Startup</CheckBox>
+
             <Grid Margin="5">
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition />

Switcheroo/OptionsWindow.xaml.cs

@@ -19,6 +19,7 @@
  */
 
 using System;
+using System.Configuration;
 using System.Text;
 using System.Windows;
 using System.Windows.Forms;
@@ -63,6 +64,7 @@ public OptionsWindow()
 
             HotkeyPreview.Text = _hotkeyViewModel.ToString();
             AltTabCheckBox.IsChecked = Settings.Default.AltTabHook;
+            RunAsAdministrator.IsChecked = Settings.Default.RunAsAdmin;
         }
 
         private void Cancel_Click(object sender, RoutedEventArgs e)
@@ -95,6 +97,7 @@ private void Ok_Click(object sender, RoutedEventArgs e)
             }
 
             Settings.Default.AltTabHook = AltTabCheckBox.IsChecked.GetValueOrDefault();
+            Settings.Default.RunAsAdmin = RunAsAdministrator.IsChecked.GetValueOrDefault(false);
             Settings.Default.Save();
 
             if (closeOptionsWindow)
@@ -219,6 +222,6 @@ private void AltTabCheckBox_OnChecked(object sender, RoutedEventArgs e)
         private void AltTabCheckBox_OnUnchecked(object sender, RoutedEventArgs e)
         {
             HotkeyPreview.IsEnabled = true;
-        }
+        }
     }
 }

Switcheroo/Program.cs

@@ -20,6 +20,9 @@
 
 using System;
 using System.Configuration;
+using System.Diagnostics;
+using System.Reflection;
+using System.Security.Principal;
 using System.Threading;
 using Switcheroo.Properties;
 
@@ -31,7 +34,9 @@ internal class Program
 
         [STAThread]
         private static void Main()
-        {
+        {
+            RunAsAdministratorIfConfigured();
+
             using (var mutex = new Mutex(false, mutex_id))
             {
                 var hasHandle = false;
@@ -45,12 +50,12 @@ private static void Main()
                     catch (AbandonedMutexException)
                     {
                         // Log the fact the mutex was abandoned in another process, it will still get aquired
-                    }
-
-                    #if PORTABLE
+                    }
+
+#if PORTABLE
                         MakePortable(Settings.Default);
-                    #endif
-
+#endif
+
                     MigrateUserSettings();
 
                     var app = new App
@@ -65,8 +70,30 @@ private static void Main()
                         mutex.ReleaseMutex();
                 }
             }
-        }
-
+        }
+
+        private static void RunAsAdministratorIfConfigured()
+        {
+            if (RunAsAdminRequested() && !IsRunAsAdmin())
+            {
+                ProcessStartInfo proc = new ProcessStartInfo
+                {
+                    UseShellExecute = true,
+                    WorkingDirectory = Environment.CurrentDirectory,
+                    FileName = Assembly.GetEntryAssembly().CodeBase,
+                    Verb = "runas"
+                };
+
+                Process.Start(proc);
+                Environment.Exit(0);
+            }
+        }
+
+        private static bool RunAsAdminRequested()
+        {
+            return Settings.Default.RunAsAdmin;
+        }
+
         private static void MakePortable(ApplicationSettingsBase settings)
         {
             var portableSettingsProvider = new PortableSettingsProvider();
@@ -86,5 +113,13 @@ private static void MigrateUserSettings()
             Settings.Default.FirstRun = false;
             Settings.Default.Save();
         }
+
+        private static bool IsRunAsAdmin()
+        {
+            WindowsIdentity id = WindowsIdentity.GetCurrent();
+            WindowsPrincipal principal = new WindowsPrincipal(id);
+
+            return principal.IsInRole(WindowsBuiltInRole.Administrator);
+        }
     }
 }