if (display == null) DND.error(SWT.ERROR_WIDGET_DISPOSED); if (display.isDisposed()) DND.error(SWT.ERROR_DEVICE_DISPOSED);
checkWidget();
public Object getContents(Transfer transfer) {	if (display == null) DND.error(SWT.ERROR_WIDGET_DISPOSED);	if (display.isDisposed()) DND.error(SWT.ERROR_DEVICE_DISPOSED);	if (transfer == null) DND.error(SWT.ERROR_NULL_ARGUMENT);	if (!(transfer instanceof TextTransfer)) return null;	return display.getData("TextTransfer"); //$NON-NLS-1$}