tabFolder.setSelection(paymentBookReportControlCenter);
}
public void openPaymentLetterReportControlCenter() {
if(paymentLetterReportControlCenter == null || paymentLetterReportControlCenter.isDisposed()) {
paymentLetterReportControlCenter = new PaymentLetterReportControlCenter(tabFolder, SWT.NONE, mainScreen);
paymentLetterReportControlCenter.display();
}
tabFolder.setSelection(paymentLetterReportControlCenter);
}