tabFolder.setSelection(registrationAppointmentControlCenter);
}
public void openStudentMissedClassesControlCenter() {
if(missedClassesControlCenter == null || missedClassesControlCenter.isDisposed()) {
missedClassesControlCenter = new StudentMissedClassesReportControlCenter(tabFolder, SWT.NONE, mainScreen);
missedClassesControlCenter.display();
}
tabFolder.setSelection(missedClassesControlCenter);
}