BOOL CWinApp::Unregister()
{
HKEY hKey = 0;
TCHAR szBuf[MAX_PATH+1];
LONG cSize;
BOOL bRet = TRUE;
POSITION pos = GetFirstDocTemplatePosition();
while (pos != NULL)
{
CDocTemplate* pTempl = GetNextDocTemplate(pos);
if (pTempl != NULL)
pTempl->OnCmdMsg(0, CN_OLE_UNREGISTER, NULL, NULL);
}
// Remove profile information -- the registry entries exist if
// SetRegistryKey() was used.
if (m_pszRegistryKey)
{
ASSERT(m_pszProfileName);
CString strKey = _T("Software\\");
strKey += m_pszRegistryKey;
CString strSubKey = strKey + _T("\\") + m_pszProfileName;
DelRegTree(HKEY_CURRENT_USER, strSubKey);
// If registry key is empty then remove it
DWORD dwResult;
if ((dwResult = ::RegOpenKey(HKEY_CURRENT_USER, strKey, &hKey)) ==
ERROR_SUCCESS)
{
if (::RegEnumKey(hKey, 0, szBuf, _MAX_PATH) == ERROR_NO_MORE_ITEMS)
DelRegTree(HKEY_CURRENT_USER, strKey);
::RegCloseKey(hKey);
}
if (RegQueryValue(HKEY_CURRENT_USER, strSubKey, szBuf, &cSize) == ERROR_SUCCESS)
bRet = TRUE;
}
return bRet;
}
