if(pane.isSetXSplit()) pane.unsetXSplit();
}
if (rowSplit > 0) {
pane.setYSplit(rowSplit);
} else {
if(pane.isSetYSplit()) pane.unsetYSplit();
}
pane.setState(STPaneState.FROZEN);
if (rowSplit == 0) {
pane.setTopLeftCell(new CellReference(0, leftmostColumn).formatAsString());