C++ (Cpp) CLibraryFrame::GetDynamicBarName示例

// Called when the selection changes
void CLibraryFileView::CheckDynamicBar()
{
	bool bIsMusicBrainz = false;
	ClearServicePages();

	CLibraryFrame* pFrame = GetFrame();
	if ( _tcscmp( pFrame->GetDynamicBarName(), L"WebServices.MusicBrainz" ) == 0 )
		bIsMusicBrainz = true;

	if ( GetSelectedCount() != 1 )
	{
		if ( bIsMusicBrainz )
		{
			pFrame->SetDynamicBar( NULL );
			m_bRequestingService = FALSE;	// ToDo: Abort operation
		}
		return;
	}

	CSingleLock pLock( &Library.m_pSection, TRUE );

	CLibraryFile* pFile = GetSelectedFile();

	if ( pFile == NULL )	// Ghost file
	{
		pFrame->SetDynamicBar( NULL );
		m_bRequestingService = FALSE;
		return;
	}

	if ( ! pFile->IsSchemaURI( CSchema::uriAudio ) || pFile->m_pMetadata == NULL )
	{
		if ( bIsMusicBrainz )
			pFrame->SetDynamicBar( NULL );

		m_bRequestingService = FALSE;	// ToDo: Abort operation
		return;
	}

	CMetaList* pMetaList = new CMetaList();
	pMetaList->Setup( pFile->m_pSchema, FALSE );
	pMetaList->Combine( pFile->m_pMetadata );

	pLock.Unlock();

	if ( ! pMetaList->IsMusicBrainz() && bIsMusicBrainz )
		pFrame->SetDynamicBar( NULL );
	else
		pFrame->HideDynamicBar();

	m_bRequestingService = FALSE;	// ToDo: Abort operation
	delete pMetaList;
}