1015     If the role is invalid, the button is not added.

  1015     If the role is invalid, the button is not added.

  1016 

  1016 

  1017     If the button has already been added, it is removed and added again with the

  1017     If the button has already been added, it is removed and added again with the

  1018     new role.

  1018     new role.

  1019 

  1019 

  1020     \sa removeButton(), clear()

  1022     \sa removeButton(), clear()

  1021 */

  1023 */

  1022 void QDialogButtonBox::addButton(QAbstractButton *button, ButtonRole role)

  1024 void QDialogButtonBox::addButton(QAbstractButton *button, ButtonRole role)

  1023 {

  1025 {

  1024     Q_D(QDialogButtonBox);

  1026     Q_D(QDialogButtonBox);