fixes for new lib dirs for wxMSW

[wxWidgets.git] / src / msw / registry.cpp

diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp
index a761867e7df6cce8dd08a7e6c3df23697e54f900..8305c63eb8f03e0233ff9cbe413eec135d388f2e 100644 (file)
--- a/src/msw/registry.cpp
+++ b/src/msw/registry.cpp
@@ -6,13 +6,13 @@
 // Created:     03.04.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     03.04.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 // TODO:        - parsing of registry key names
 //              - support of other (than REG_SZ/REG_DWORD) registry types
 //              - add high level functions (RegisterOleServer, ...)
 ///////////////////////////////////////////////////////////////////////////////
 
 // TODO:        - parsing of registry key names
 //              - support of other (than REG_SZ/REG_DWORD) registry types
 //              - add high level functions (RegisterOleServer, ...)
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "registry.h"
 #endif
 
 #pragma implementation "registry.h"
 #endif
 


@@ -27,7 +27,6 @@
 #include  "wx/string.h"
 #include  "wx/intl.h"
 #include  "wx/log.h"
 #include  "wx/string.h"
 #include  "wx/intl.h"
 #include  "wx/log.h"

-#include  "wx/config.h"    // for wxExpandEnvVars

 
 #ifndef __WIN16__
 
 
 #ifndef __WIN16__
 


@@ -37,7 +36,13 @@
 #define   WIN32_LEAN_AND_MEAN
 */
 
 #define   WIN32_LEAN_AND_MEAN
 */
 

-#include  <windows.h>
+#include  "wx/msw/wrapwin.h"
+
+#ifdef __WXWINCE__
+#include "wx/msw/private.h"
+#include <winbase.h>
+#include <winreg.h>
+#endif

 
 // other std headers
 #include  <stdlib.h>      // for _MAX_PATH
 
 // other std headers
 #include  <stdlib.h>      // for _MAX_PATH


@@ -72,10 +77,12 @@ aStdKeys[] =
   { HKEY_CURRENT_USER,      wxT("HKEY_CURRENT_USER"),      wxT("HKCU") },
   { HKEY_LOCAL_MACHINE,     wxT("HKEY_LOCAL_MACHINE"),     wxT("HKLM") },
   { HKEY_USERS,             wxT("HKEY_USERS"),             wxT("HKU")  }, // short name?
   { HKEY_CURRENT_USER,      wxT("HKEY_CURRENT_USER"),      wxT("HKCU") },
   { HKEY_LOCAL_MACHINE,     wxT("HKEY_LOCAL_MACHINE"),     wxT("HKLM") },
   { HKEY_USERS,             wxT("HKEY_USERS"),             wxT("HKU")  }, // short name?

+#ifndef __WXWINCE__

   { HKEY_PERFORMANCE_DATA,  wxT("HKEY_PERFORMANCE_DATA"),  wxT("HKPD") },
   { HKEY_PERFORMANCE_DATA,  wxT("HKEY_PERFORMANCE_DATA"),  wxT("HKPD") },

-#if     WINVER >= 0x0400
+#endif
+#if WINVER >= 0x0400 && !defined(__WXWINCE__)

   { HKEY_CURRENT_CONFIG,    wxT("HKEY_CURRENT_CONFIG"),    wxT("HKCC") },
   { HKEY_CURRENT_CONFIG,    wxT("HKEY_CURRENT_CONFIG"),    wxT("HKCC") },

-#ifndef __GNUWIN32__
+#if !defined(__GNUWIN32__) && !defined(__WXWINCE__)

   { HKEY_DYN_DATA,          wxT("HKEY_DYN_DATA"),          wxT("HKDD") }, // short name?
 #endif  //GNUWIN32
 #endif  //WINVER >= 4.0
   { HKEY_DYN_DATA,          wxT("HKEY_DYN_DATA"),          wxT("HKDD") }, // short name?
 #endif  //GNUWIN32
 #endif  //WINVER >= 4.0


@@ -87,17 +94,17 @@ aStdKeys[] =
 
 // useful for Windows programmers: makes somewhat more clear all these zeroes
 // being passed to Windows APIs
 
 // useful for Windows programmers: makes somewhat more clear all these zeroes
 // being passed to Windows APIs

-#define   RESERVED        (NULL)
+#define   RESERVED        (0)

 
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------

-// @ const_cast<> is not yet supported by all compilers
+
+// const_cast<> is not yet supported by all compilers

 #define CONST_CAST    ((wxRegKey *)this)->
 
 #define CONST_CAST    ((wxRegKey *)this)->
 

-#if   !USE_MUTABLE
-  #define m_dwLastError   CONST_CAST m_dwLastError
-#endif
+// and neither is mutable which m_dwLastError should be
+#define m_dwLastError   CONST_CAST m_dwLastError

 
 // ----------------------------------------------------------------------------
 // non member functions
 
 // ----------------------------------------------------------------------------
 // non member functions


@@ -128,7 +135,7 @@ const size_t wxRegKey::nStdKeys = WXSIZEOF(aStdKeys);
 const wxChar *wxRegKey::GetStdKeyName(size_t key)
 {
   // return empty string if key is invalid
 const wxChar *wxRegKey::GetStdKeyName(size_t key)
 {
   // return empty string if key is invalid

-  wxCHECK_MSG( key < nStdKeys, wxT(""), wxT("invalid key in wxRegKey::GetStdKeyName") );
+  wxCHECK_MSG( key < nStdKeys, wxEmptyString, wxT("invalid key in wxRegKey::GetStdKeyName") );

 
   return aStdKeys[key].szName;
 }
 
   return aStdKeys[key].szName;
 }


@@ -136,7 +143,7 @@ const wxChar *wxRegKey::GetStdKeyName(size_t key)
 const wxChar *wxRegKey::GetStdKeyShortName(size_t key)
 {
   // return empty string if key is invalid
 const wxChar *wxRegKey::GetStdKeyShortName(size_t key)
 {
   // return empty string if key is invalid

-  wxCHECK( key < nStdKeys, wxT("") );
+  wxCHECK( key < nStdKeys, wxEmptyString );

 
   return aStdKeys[key].szShortName;
 }
 
   return aStdKeys[key].szShortName;
 }


@@ -187,16 +194,16 @@ wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(WXHKEY hkey)
 
 wxRegKey::wxRegKey()
 {
 
 wxRegKey::wxRegKey()
 {

-  m_hKey = 0;

   m_hRootKey = (WXHKEY) aStdKeys[HKCR].hkey;
   m_hRootKey = (WXHKEY) aStdKeys[HKCR].hkey;

-  m_dwLastError = 0;
+
+  Init();

 }
 
 wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey)
 {
   m_hRootKey  = (WXHKEY) aStdKeys[ExtractKeyName(m_strKey)].hkey;
 }
 
 wxRegKey::wxRegKey(const wxString& strKey) : m_strKey(strKey)
 {
   m_hRootKey  = (WXHKEY) aStdKeys[ExtractKeyName(m_strKey)].hkey;

-  m_hKey      = (WXHKEY) NULL;
-  m_dwLastError = 0;
+
+  Init();

 }
 
 // parent is a predefined (and preopened) key
 }
 
 // parent is a predefined (and preopened) key


@@ -204,8 +211,8 @@ wxRegKey::wxRegKey(StdKey keyParent, const wxString& strKey) : m_strKey(strKey)
 {
   RemoveTrailingSeparator(m_strKey);
   m_hRootKey  = (WXHKEY) aStdKeys[keyParent].hkey;
 {
   RemoveTrailingSeparator(m_strKey);
   m_hRootKey  = (WXHKEY) aStdKeys[keyParent].hkey;

-  m_hKey      = (WXHKEY) NULL;
-  m_dwLastError = 0;
+
+  Init();

 }
 
 // parent is a normal regkey
 }
 
 // parent is a normal regkey


@@ -222,8 +229,8 @@ wxRegKey::wxRegKey(const wxRegKey& keyParent, const wxString& strKey)
   RemoveTrailingSeparator(m_strKey);
 
   m_hRootKey  = keyParent.m_hRootKey;
   RemoveTrailingSeparator(m_strKey);
 
   m_hRootKey  = keyParent.m_hRootKey;

-  m_hKey      = (WXHKEY) NULL;
-  m_dwLastError = 0;
+
+  Init();

 }
 
 // dtor closes the key releasing system resource
 }
 
 // dtor closes the key releasing system resource


@@ -261,7 +268,14 @@ void wxRegKey::SetName(const wxRegKey& keyParent, const wxString& strKey)
   Close();
 
   // combine our name with parent's to get the full name
   Close();
 
   // combine our name with parent's to get the full name

-  m_strKey = keyParent.m_strKey;
+
+  // NB: this method is called by wxRegConfig::SetPath() which is a performance
+  //     critical function and so it preallocates space for our m_strKey to
+  //     gain some speed - this is why we only use += here and not = which
+  //     would just free the prealloc'd buffer and would have to realloc it the
+  //     next line!
+  m_strKey.clear();
+  m_strKey += keyParent.m_strKey;

   if ( !strKey.IsEmpty() && strKey[0] != REG_SEPARATOR )
     m_strKey += REG_SEPARATOR;
   m_strKey += strKey;
   if ( !strKey.IsEmpty() && strKey[0] != REG_SEPARATOR )
     m_strKey += REG_SEPARATOR;
   m_strKey += strKey;


@@ -293,11 +307,11 @@ bool wxRegKey::Exists() const
 // returns the full name of the key (prefix is abbreviated if bShortPrefix)
 wxString wxRegKey::GetName(bool bShortPrefix) const
 {
 // returns the full name of the key (prefix is abbreviated if bShortPrefix)
 wxString wxRegKey::GetName(bool bShortPrefix) const
 {

-  StdKey key = GetStdKeyFromHkey((StdKey) m_hRootKey);
+  StdKey key = GetStdKeyFromHkey((WXHKEY) m_hRootKey);

   wxString str = bShortPrefix ? aStdKeys[key].szShortName
                               : aStdKeys[key].szName;
   if ( !m_strKey.IsEmpty() )
   wxString str = bShortPrefix ? aStdKeys[key].szShortName
                               : aStdKeys[key].szName;
   if ( !m_strKey.IsEmpty() )

-    str << "\\" << m_strKey;
+    str << _T("\\") << m_strKey;

 
   return str;
 }
 
   return str;
 }


@@ -307,15 +321,18 @@ bool wxRegKey::GetKeyInfo(size_t *pnSubKeys,
                           size_t *pnValues,
                           size_t *pnMaxValueLen) const
 {
                           size_t *pnValues,
                           size_t *pnMaxValueLen) const
 {

-#if defined(__WIN32__) && !defined(__TWIN32__)
+#if defined(__WIN32__)

 
     // old gcc headers incorrectly prototype RegQueryInfoKey()
 
     // old gcc headers incorrectly prototype RegQueryInfoKey()

-#ifdef __GNUWIN32_OLD__
+#if defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)

     #define REG_PARAM   (size_t *)
 #else
     #define REG_PARAM   (LPDWORD)
 #endif
 
     #define REG_PARAM   (size_t *)
 #else
     #define REG_PARAM   (LPDWORD)
 #endif
 

+  // it might be unexpected to some that this function doesn't open the key
+  wxASSERT_MSG( IsOpened(), _T("key should be opened in GetKeyInfo") );
+

   m_dwLastError = ::RegQueryInfoKey
                   (
                     (HKEY) m_hKey,
   m_dwLastError = ::RegQueryInfoKey
                   (
                     (HKEY) m_hKey,


@@ -343,8 +360,8 @@ bool wxRegKey::GetKeyInfo(size_t *pnSubKeys,
                   GetName().c_str());
     return FALSE;
   }
                   GetName().c_str());
     return FALSE;
   }

-  else
-    return TRUE;
+
+  return TRUE;

 #else // Win16
   wxFAIL_MSG("GetKeyInfo() not implemented");
 
 #else // Win16
   wxFAIL_MSG("GetKeyInfo() not implemented");
 


@@ -359,36 +376,54 @@ bool wxRegKey::GetKeyInfo(size_t *pnSubKeys,
 // opens key (it's not an error to call Open() on an already opened key)
 bool wxRegKey::Open()
 {
 // opens key (it's not an error to call Open() on an already opened key)
 bool wxRegKey::Open()
 {

-  if ( IsOpened() )
-    return TRUE;
+    if ( IsOpened() )
+        return TRUE;
+
+    HKEY tmpKey;
+    m_dwLastError = ::RegOpenKeyEx
+                    (
+                        (HKEY) m_hRootKey,
+                        m_strKey,
+                        RESERVED,
+                        KEY_ALL_ACCESS,
+                        &tmpKey
+                    );
+
+    if ( m_dwLastError != ERROR_SUCCESS )
+    {
+        wxLogSysError(m_dwLastError, _("Can't open registry key '%s'"),
+                      GetName().c_str());
+        return FALSE;
+    }

 
 

-  HKEY tmpKey;
-  m_dwLastError = RegOpenKey((HKEY) m_hRootKey, m_strKey, &tmpKey);
-  if ( m_dwLastError != ERROR_SUCCESS ) {
-    wxLogSysError(m_dwLastError, _("Can't open registry key '%s'"),
-                  GetName().c_str());
-    return FALSE;
-  }
-  else
-  {

     m_hKey = (WXHKEY) tmpKey;
     return TRUE;
     m_hKey = (WXHKEY) tmpKey;
     return TRUE;

-  }

 }
 
 // creates key, failing if it exists and !bOkIfExists
 bool wxRegKey::Create(bool bOkIfExists)
 {
   // check for existence only if asked (i.e. order is important!)
 }
 
 // creates key, failing if it exists and !bOkIfExists
 bool wxRegKey::Create(bool bOkIfExists)
 {
   // check for existence only if asked (i.e. order is important!)

-  if ( !bOkIfExists && Exists() ) {
+  if ( !bOkIfExists && Exists() )

     return FALSE;
     return FALSE;

-  }

 
   if ( IsOpened() )
     return TRUE;
 
   HKEY tmpKey;
 
   if ( IsOpened() )
     return TRUE;
 
   HKEY tmpKey;

+#ifdef __WXWINCE__
+  DWORD disposition;
+  m_dwLastError = RegCreateKeyEx((HKEY) m_hRootKey, m_strKey,
+      NULL, // reserved
+      NULL, // class string
+      0,
+      0,
+      NULL,
+      &tmpKey,
+      &disposition);
+#else

   m_dwLastError = RegCreateKey((HKEY) m_hRootKey, m_strKey, &tmpKey);
   m_dwLastError = RegCreateKey((HKEY) m_hRootKey, m_strKey, &tmpKey);

+#endif

   if ( m_dwLastError != ERROR_SUCCESS ) {
     wxLogSysError(m_dwLastError, _("Can't create registry key '%s'"),
                   GetName().c_str());
   if ( m_dwLastError != ERROR_SUCCESS ) {
     wxLogSysError(m_dwLastError, _("Can't create registry key '%s'"),
                   GetName().c_str());


@@ -406,16 +441,14 @@ bool wxRegKey::Close()
 {
   if ( IsOpened() ) {
     m_dwLastError = RegCloseKey((HKEY) m_hKey);
 {
   if ( IsOpened() ) {
     m_dwLastError = RegCloseKey((HKEY) m_hKey);

+    m_hKey = 0;
+

     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("Can't close registry key '%s'"),
                     GetName().c_str());
 
     if ( m_dwLastError != ERROR_SUCCESS ) {
       wxLogSysError(m_dwLastError, _("Can't close registry key '%s'"),
                     GetName().c_str());
 

-      m_hKey = 0;

       return FALSE;
     }
       return FALSE;
     }

-    else {
-      m_hKey = 0;
-    }

   }
 
   return TRUE;
   }
 
   return TRUE;


@@ -618,8 +651,9 @@ bool wxRegKey::DeleteSelf()
   // prevent a buggy program from erasing one of the root registry keys or an
   // immediate subkey (i.e. one which doesn't have '\\' inside) of any other
   // key except HKCR (HKCR has some "deleteable" subkeys)
   // prevent a buggy program from erasing one of the root registry keys or an
   // immediate subkey (i.e. one which doesn't have '\\' inside) of any other
   // key except HKCR (HKCR has some "deleteable" subkeys)

-  if ( m_strKey.IsEmpty() || (m_hRootKey != HKCR &&
-       m_strKey.Find(REG_SEPARATOR) == wxNOT_FOUND) ) {
+  if ( m_strKey.IsEmpty() ||
+       ((m_hRootKey != (WXHKEY) aStdKeys[HKCR].hkey) &&
+        (m_strKey.Find(REG_SEPARATOR) == wxNOT_FOUND)) ) {

       wxLogError(_("Registry key '%s' is needed for normal system operation,\ndeleting it will leave your system in unusable state:\noperation aborted."), GetFullName(this));
 
       return FALSE;
       wxLogError(_("Registry key '%s' is needed for normal system operation,\ndeleting it will leave your system in unusable state:\noperation aborted."), GetFullName(this));
 
       return FALSE;


@@ -672,14 +706,17 @@ bool wxRegKey::DeleteValue(const wxChar *szValue)
   if ( !Open() )
     return FALSE;
 
   if ( !Open() )
     return FALSE;
 

-#if defined(__WIN32__) && !defined(__TWIN32__)
+#if defined(__WIN32__)

     m_dwLastError = RegDeleteValue((HKEY) m_hKey, WXSTRINGCAST szValue);
     m_dwLastError = RegDeleteValue((HKEY) m_hKey, WXSTRINGCAST szValue);

-    if ( m_dwLastError != ERROR_SUCCESS ) {
+
+    // deleting a value which doesn't exist is not considered an error
+    if ( (m_dwLastError != ERROR_SUCCESS) &&
+         (m_dwLastError != ERROR_FILE_NOT_FOUND) ) {

       wxLogSysError(m_dwLastError, _("Can't delete value '%s' from key '%s'"),
                     szValue, GetName().c_str());
       return FALSE;
     }
       wxLogSysError(m_dwLastError, _("Can't delete value '%s' from key '%s'"),
                     szValue, GetName().c_str());
       return FALSE;
     }

-  #else   //WIN16
+#else   //WIN16

     // named registry values don't exist in Win16 world
     wxASSERT( IsEmpty(szValue) );
 
     // named registry values don't exist in Win16 world
     wxASSERT( IsEmpty(szValue) );
 


@@ -690,7 +727,7 @@ bool wxRegKey::DeleteValue(const wxChar *szValue)
                     GetName().c_str());
       return FALSE;
     }
                     GetName().c_str());
       return FALSE;
     }

-  #endif  //WIN16/32
+#endif  //WIN16/32

 
   return TRUE;
 }
 
   return TRUE;
 }


@@ -780,10 +817,6 @@ wxRegKey::ValueType wxRegKey::GetValueType(const wxChar *szValue) const
 #ifdef  __WIN32__
 bool wxRegKey::SetValue(const wxChar *szValue, long lValue)
 {
 #ifdef  __WIN32__
 bool wxRegKey::SetValue(const wxChar *szValue, long lValue)
 {

-#ifdef __TWIN32__
-  wxFAIL_MSG("RegSetValueEx not implemented by TWIN32");
-  return FALSE;
-#else

   if ( CONST_CAST Open() ) {
     m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_DWORD,
                                   (RegString)&lValue, sizeof(lValue));
   if ( CONST_CAST Open() ) {
     m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_DWORD,
                                   (RegString)&lValue, sizeof(lValue));


@@ -794,7 +827,6 @@ bool wxRegKey::SetValue(const wxChar *szValue, long lValue)
   wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
                 GetFullName(this, szValue));
   return FALSE;
   wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
                 GetFullName(this, szValue));
   return FALSE;

-#endif

 }
 
 bool wxRegKey::QueryValue(const wxChar *szValue, long *plValue) const
 }
 
 bool wxRegKey::QueryValue(const wxChar *szValue, long *plValue) const


@@ -823,7 +855,9 @@ bool wxRegKey::QueryValue(const wxChar *szValue, long *plValue) const
 
 #endif  //Win32
 
 
 #endif  //Win32
 

-bool wxRegKey::QueryValue(const wxChar *szValue, wxString& strValue) const
+bool wxRegKey::QueryValue(const wxChar *szValue,
+                          wxString& strValue,
+                          bool raw) const

 {
   if ( CONST_CAST Open() ) {
     #ifdef  __WIN32__
 {
   if ( CONST_CAST Open() ) {
     #ifdef  __WIN32__


@@ -838,14 +872,38 @@ bool wxRegKey::QueryValue(const wxChar *szValue, wxString& strValue) const
             strValue.Empty();
         }
         else {
             strValue.Empty();
         }
         else {

-            RegString pBuf = (RegString)strValue.GetWriteBuf(dwSize);

             m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
                                             WXSTRINGCAST szValue,
                                             RESERVED,
                                             &dwType,
             m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
                                             WXSTRINGCAST szValue,
                                             RESERVED,
                                             &dwType,

-                                            pBuf,
+                                            (RegString)(wxChar*)wxStringBuffer(strValue, dwSize),

                                             &dwSize);
                                             &dwSize);

-            strValue.UngetWriteBuf();
+
+            // expand the var expansions in the string unless disabled
+#ifndef __WXWINCE__
+            if ( (dwType == REG_EXPAND_SZ) && !raw )
+            {
+                DWORD dwExpSize = ::ExpandEnvironmentStrings(strValue, NULL, 0);
+                bool ok = dwExpSize != 0;
+                if ( ok )
+                {
+                    wxString strExpValue;
+                    ok = ::ExpandEnvironmentStrings
+                           (
+                            strValue,
+                            wxStringBuffer(strExpValue, dwExpSize),
+                            dwExpSize
+                           ) != 0;
+                    strValue = strExpValue;
+                }
+
+                if ( !ok )
+                {
+                    wxLogLastError(_T("ExpandEnvironmentStrings"));
+                }
+            }
+#endif
+            // __WXWINCE__

         }
 
         if ( m_dwLastError == ERROR_SUCCESS ) {
         }
 
         if ( m_dwLastError == ERROR_SUCCESS ) {


@@ -875,20 +933,20 @@ bool wxRegKey::QueryValue(const wxChar *szValue, wxString& strValue) const
 bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
 {
   if ( CONST_CAST Open() ) {
 bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
 {
   if ( CONST_CAST Open() ) {

-#if defined( __WIN32__) && !defined(__TWIN32__)
+#if defined( __WIN32__)

       m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_SZ,
                                     (RegString)strValue.c_str(),
                                     (strValue.Len() + 1)*sizeof(wxChar));
       if ( m_dwLastError == ERROR_SUCCESS )
         return TRUE;
       m_dwLastError = RegSetValueEx((HKEY) m_hKey, szValue, (DWORD) RESERVED, REG_SZ,
                                     (RegString)strValue.c_str(),
                                     (strValue.Len() + 1)*sizeof(wxChar));
       if ( m_dwLastError == ERROR_SUCCESS )
         return TRUE;

-    #else   //WIN16
+#else   //WIN16

       // named registry values don't exist in Win16
       wxASSERT( IsEmpty(szValue) );
 
       m_dwLastError = RegSetValue((HKEY) m_hKey, NULL, REG_SZ, strValue, NULL);
       if ( m_dwLastError == ERROR_SUCCESS )
         return TRUE;
       // named registry values don't exist in Win16
       wxASSERT( IsEmpty(szValue) );
 
       m_dwLastError = RegSetValue((HKEY) m_hKey, NULL, REG_SZ, strValue, NULL);
       if ( m_dwLastError == ERROR_SUCCESS )
         return TRUE;

-    #endif  //WIN16/32
+#endif  //WIN16/32

   }
 
   wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),
   }
 
   wxLogSysError(m_dwLastError, _("Can't set value of '%s'"),


@@ -896,7 +954,7 @@ bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
   return FALSE;
 }
 
   return FALSE;
 }
 

-wxRegKey::operator wxString() const
+wxString wxRegKey::QueryDefaultValue() const

 {
   wxString str;
   QueryValue(NULL, str);
 {
   wxString str;
   QueryValue(NULL, str);


@@ -926,7 +984,7 @@ bool wxRegKey::GetNextValue(wxString& strValueName, long& lIndex) const
   if ( lIndex == -1 )
     return FALSE;
 
   if ( lIndex == -1 )
     return FALSE;
 

-#if defined( __WIN32__) && !defined(__TWIN32__)
+#if defined( __WIN32__)

     wxChar  szValueName[1024];                  // @@ use RegQueryInfoKey...
     DWORD dwValueLen = WXSIZEOF(szValueName);
 
     wxChar  szValueName[1024];                  // @@ use RegQueryInfoKey...
     DWORD dwValueLen = WXSIZEOF(szValueName);
 


@@ -951,13 +1009,13 @@ bool wxRegKey::GetNextValue(wxString& strValueName, long& lIndex) const
     }
 
     strValueName = szValueName;
     }
 
     strValueName = szValueName;

-  #else   //WIN16
+#else   //WIN16

     // only one unnamed value
     wxASSERT( lIndex == 0 );
 
     lIndex = -1;
     strValueName.Empty();
     // only one unnamed value
     wxASSERT( lIndex == 0 );
 
     lIndex = -1;
     strValueName.Empty();

-  #endif
+#endif

 
   return TRUE;
 }
 
   return TRUE;
 }


@@ -980,7 +1038,14 @@ bool wxRegKey::GetNextKey(wxString& strKeyName, long& lIndex) const
     return FALSE;
 
   wxChar szKeyName[_MAX_PATH + 1];
     return FALSE;
 
   wxChar szKeyName[_MAX_PATH + 1];

+
+#ifdef __WXWINCE__
+  DWORD sizeName = WXSIZEOF(szKeyName);
+  m_dwLastError = RegEnumKeyEx((HKEY) m_hKey, lIndex++, szKeyName, & sizeName,
+      0, NULL, NULL, NULL);
+#else

   m_dwLastError = RegEnumKey((HKEY) m_hKey, lIndex++, szKeyName, WXSIZEOF(szKeyName));
   m_dwLastError = RegEnumKey((HKEY) m_hKey, lIndex++, szKeyName, WXSIZEOF(szKeyName));

+#endif

 
   if ( m_dwLastError != ERROR_SUCCESS ) {
     if ( m_dwLastError == ERROR_NO_MORE_ITEMS ) {
 
   if ( m_dwLastError != ERROR_SUCCESS ) {
     if ( m_dwLastError == ERROR_NO_MORE_ITEMS ) {


@@ -1020,16 +1085,25 @@ bool wxRegKey::IsNumericValue(const wxChar *szValue) const
 
 bool KeyExists(WXHKEY hRootKey, const wxChar *szKey)
 {
 
 bool KeyExists(WXHKEY hRootKey, const wxChar *szKey)
 {

-  // don't close this key itself for the case of empty szKey!
-  if ( wxIsEmpty(szKey) )
-    return TRUE;
+    // don't close this key itself for the case of empty szKey!
+    if ( wxIsEmpty(szKey) )
+        return TRUE;
+
+    HKEY hkeyDummy;
+    if ( ::RegOpenKeyEx
+         (
+            (HKEY)hRootKey,
+            szKey,
+            RESERVED,
+            KEY_ALL_ACCESS,
+            &hkeyDummy
+         ) == ERROR_SUCCESS )
+    {
+        ::RegCloseKey(hkeyDummy);
+
+        return TRUE;
+    }

 
 

-  HKEY hkeyDummy;
-  if ( RegOpenKey( (HKEY) hRootKey, szKey, &hkeyDummy) == ERROR_SUCCESS ) {
-    RegCloseKey(hkeyDummy);
-    return TRUE;
-  }
-  else

     return FALSE;
 }
 
     return FALSE;
 }