Removes a key name/value pair from a provisioning transaction's property bag. Used by providers that interact with Microsoft Provisioning Framework (MPF).
HRESULT DeleteProperty ( BSTR bstrKey );
BSTR bstrKey; HRESULT hr = E_OUTOFMEMORY; bstrKey = ::SysAllocString(L"key"); if(bstrKey) hr = m_pProvHelper->DeleteProperty(bstrKey); ::SysFreeString(bstrKey);