connect(mySMESHGUI, SIGNAL (SignalDeactivateActiveDialog()), this, SLOT(DeactivateActiveDialog()));
/* to close dialog if study change */
connect(mySMESHGUI, SIGNAL (SignalCloseAllDialogs()), this, SLOT(ClickOnCancel()));
connect(mySMESHGUI, SIGNAL (SignalDeactivateActiveDialog()), this, SLOT(DeactivateActiveDialog()));
/* to close dialog if study change */
connect(mySMESHGUI, SIGNAL (SignalCloseAllDialogs()), this, SLOT(ClickOnCancel()));