[cwittich] 27994: fix bug "Regedit will let you create two identical keys." See issue #2496 for more details.

Author: cwittich
Date: Sun Jul 29 14:33:17 2007
New Revision: 27994

URL: http://svn.reactos.org/svn/reactos?rev=27994&view=rev
Log:
fix bug "Regedit will let you create two identical keys."
See issue #2496 for more details.

Modified:
    trunk/reactos/base/applications/regedit/childwnd.c

Modified: trunk/reactos/base/applications/regedit/childwnd.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/applications/regedit/c...
==============================================================================
--- trunk/reactos/base/applications/regedit/childwnd.c (original)
+++ trunk/reactos/base/applications/regedit/childwnd.c Sun Jul 29 14:33:17 2007
@@ -510,6 +510,7 @@
                 {
                   LPCTSTR keyPath;
                   HKEY hRootKey;
+                  HKEY hKey = NULL;
                   LPNMTVDISPINFO ptvdi;
                   LONG lResult;

@@ -517,9 +518,18 @@
                   if (ptvdi->item.pszText)
                   {
                     keyPath = GetItemPath(pChildWnd->hTreeWnd, ptvdi->item.hItem, &hRootKey);
-                    lResult = RegRenameKey(hRootKey, keyPath, ptvdi->item.pszText);
+                    if (RegOpenKeyEx(hRootKey, keyPath, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
+                    {
+                      lResult = REG_OPENED_EXISTING_KEY;
+                      RegCloseKey(hKey);
+                      (void)TreeView_EditLabel(pChildWnd->hTreeWnd, ptvdi->item.hItem);
+                    }
+                    else
+                    {
+                      lResult = RegRenameKey(hRootKey, keyPath, ptvdi->item.pszText);
+                    }
                     return lResult == ERROR_SUCCESS;
-		  }
+                  }
                 }
             default:
                 return 0;