ability to open key handles in regedit

git-svn-id: svn://svn.code.sf.net/p/processhacker/code@1611 21ef857c-d57f-4fe0-8362-d861dc6d29cd

trunk/CHANGELOG.txt

@@ -6,6 +6,7 @@ Process Hacker
    * Better handle granted access display
    * Thread list is more responsive
    * Process exit notification (in the process window) is now instant
+   * Ability to open key handles in regedit
  * FIXED:
    * Properties menu item for handles was disabled most of the time
    * Handle names could not be viewed properly without KPH and 

trunk/ProcessHacker/Common/PhUtils.cs

@@ -22,13 +22,13 @@
 
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Windows.Forms;
 using Aga.Controls.Tree;
 using ProcessHacker.Native;
 using ProcessHacker.Native.Api;
 using ProcessHacker.Native.Objects;
 using ProcessHacker.UI;
-using System.Drawing;
 
 namespace ProcessHacker.Common
 {
@@ -105,6 +105,53 @@ namespace ProcessHacker.Common
                 return Color.White;
         }
 
+        public static void OpenKeyInRegedit(string keyName)
+        {
+            OpenKeyInRegedit(null, keyName);
+        }
+
+        public static void OpenKeyInRegedit(IWin32Window window, string keyName)
+        {
+            string lastKey = keyName;
+
+            // Expand the abbreviations.
+            if (lastKey.ToLowerInvariant().StartsWith("hkcu"))
+                lastKey = "HKEY_CURRENT_USER" + lastKey.Substring(4);
+            else if (lastKey.ToLowerInvariant().StartsWith("hku"))
+                lastKey = "HKEY_USERS" + lastKey.Substring(3);
+            else if (lastKey.ToLowerInvariant().StartsWith("hkcr"))
+                lastKey = "HKEY_CLASSES_ROOT" + lastKey.Substring(4);
+            else if (lastKey.ToLowerInvariant().StartsWith("hklm"))
+                lastKey = "HKEY_LOCAL_MACHINE" + lastKey.Substring(4);
+
+            using (var regeditKey =
+                Microsoft.Win32.Registry.CurrentUser.OpenSubKey(
+                    @"Software\Microsoft\Windows\CurrentVersion\Applets\Regedit",
+                    true
+                    ))
+            {
+                if (OSVersion.IsAboveOrEqual(WindowsVersion.Vista))
+                    regeditKey.SetValue("LastKey", "Computer\\" + lastKey);
+                else
+                    regeditKey.SetValue("LastKey", lastKey);
+            }
+
+            if (OSVersion.HasUac && Program.ElevationType == TokenElevationType.Limited)
+            {
+                Program.StartProgramAdmin(
+                    Environment.SystemDirectory + "\\..\\regedit.exe",
+                    "",
+                    null,
+                    ShowWindowType.Normal,
+                    window != null ? window.Handle : IntPtr.Zero
+                    );
+            }
+            else
+            {
+                System.Diagnostics.Process.Start(Environment.SystemDirectory + "\\..\\regedit.exe");
+            }
+        }
+
         /// <summary>
         /// Selects all of the specified nodes.
         /// </summary>

trunk/ProcessHacker/Components/HandleList.cs

@@ -339,6 +339,7 @@ namespace ProcessHacker.Components
                             // Objects with separate property windows:
                             case "file":
                             case "job":
+                            case "key":
                             case "token":
                             case "process":
                                 {
@@ -367,6 +368,18 @@ namespace ProcessHacker.Components
                                                             (new JobWindow(JobObjectHandle.FromHandle(dupHandle))).ShowDialog();
                                                         }
                                                         break;
+                                                    case "key":
+                                                        {
+                                                            try
+                                                            {
+                                                                PhUtils.OpenKeyInRegedit(Form.ActiveForm, name);
+                                                            }
+                                                            catch (Exception ex)
+                                                            {
+                                                                PhUtils.ShowMessage("Error opening the registry editor", ex);
+                                                            }
+                                                        }
+                                                        break;
                                                     case "token":
                                                         {
                                                             (new TokenWindow(new RemoteTokenHandle(phandle,