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serious bug in KeyExists() fixed

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7367 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-05-08 22:49:40 +00:00
parent fb5ac85a06
commit 8dbbdfd06f
1 changed files with 10 additions and 2 deletions
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12
src/msw/registry.cpp
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@@ -709,8 +709,11 @@ bool wxRegKey::HasValue(const wxChar *szValue) const
if ( !CONST_CAST Open() )
return FALSE;
return RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
NULL, NULL, NULL) == ERROR_SUCCESS;
LONG dwRet = ::RegQueryValueEx((HKEY) m_hKey,
WXSTRINGCAST szValue,
RESERVED,
NULL, NULL, NULL);
return dwRet == ERROR_SUCCESS;
#else // WIN16
// only unnamed value exists
return IsEmpty(szValue);
@@ -1014,8 +1017,13 @@ bool wxRegKey::IsNumericValue(const wxChar *szValue) const
// ============================================================================
// implementation of global private functions
// ============================================================================
bool KeyExists(WXHKEY hRootKey, const wxChar *szKey)
{
// don't close this key itself for the case of empty szKey!
if ( wxIsEmpty(szKey) )
return TRUE;
HKEY hkeyDummy;
if ( RegOpenKey( (HKEY) hRootKey, szKey, &hkeyDummy) == ERROR_SUCCESS ) {
RegCloseKey(hkeyDummy);