STDAPI CExtentMonitorTextService::OnSetFocus(ITfDocumentMgr *pDocMgrFocus, ITfDocumentMgr *pDocMgrPrevFocus) { // // Whenever focus is changed, we initialize the TextEditSink. // ITfDocumentMgr *pDocMgrTarget = NULL; if (GetNonTransitoryDim(pDocMgrFocus, &pDocMgrTarget) != S_OK) { if (pDocMgrFocus) { pDocMgrTarget = pDocMgrFocus; pDocMgrTarget->AddRef(); } } _InitTextEditSink(pDocMgrTarget); if (pDocMgrTarget) { ITfContext *pContext; if (SUCCEEDED(pDocMgrTarget->GetBase(&pContext))) { DumpExtent(pContext, DE_EVENTID_ONSETFOCUS); pContext->Release(); } pDocMgrTarget->Release(); } return S_OK; }