rem: KPIM::IdentityCombo * ic = dynamic_cast<KPIM::IdentityCombo*>( paramWidget ); assert( ic ); ic->setCurrentItem( 0 );
add: QComboBox *cb = (QComboBox*)paramWidget->child("combo"); Q_ASSERT( cb ); cb->setCurrentItem(0); QLineEdit *le = (QLineEdit*)paramWidget->child("ledit"); Q_ASSERT( le ); le->clear();
context: void KMFilterActionIdentity::clearParamWidget( QWidget * paramWidget ) const{  KPIM::IdentityCombo * ic = dynamic_cast<KPIM::IdentityCombo*>( paramWidget );  assert( ic );  ic->setCurrentItem( 0 );  //ic->setCurrentIdentity( kmkernel->identityManager()->defaultIdentity() );}