{
int idx = _extraClassPathList.getSelectedIndex();
IFileListBoxModel model = _extraClassPathList.getTypedModel();
if (idx > -1 && idx < (model.getSize() - 1))
{
File file = model.removeFile(idx);
++idx;
model.insertFileAt(file, idx);
_extraClassPathList.setSelectedIndex(idx);
}
}