add: setDragEnabled( true );
context: Attachment::Attachment(QListView *parent, KTNEFAttach *attach)	: QListViewItem(parent, attach->name()), attach_(attach){	setText(2, QString::number( attach_->size() ));	if (!attach_->fileName().isEmpty()) setText(0, attach_->fileName());	KMimeType::Ptr	mimeType = KMimeType::mimeType( attach_->mimeTag() );	setText(1, mimeType->comment());	QPixmap pix = loadRenderingPixmap( attach, parent->colorGroup().base() );	if ( !pix.isNull() )		setPixmap( 0, pix );	else		setPixmap(0, mimeType->pixmap(KIcon::Small));}