public void scrollToColumn(int gridColumnPosition) {
DummyGridLayerStack gridLayer = (DummyGridLayerStack) getUnderlyingLayerByPosition(
1, 1);
ViewportLayer viewportLayer = gridLayer.getBodyLayer()
.getViewportLayer();
viewportLayer.invalidateHorizontalStructure();
viewportLayer.setOriginX(viewportLayer
.getStartXOfColumnPosition(gridColumnPosition));
}
public void scrollToRow(int gridRowPosition) {