columnGroupReorderLayer);
ColumnGroupExpandCollapseLayer columnGroupExpandCollapseLayer = new ColumnGroupExpandCollapseLayer(
columnHideShowLayer, sndColumnGroupModel, columnGroupModel);
SelectionLayer selectionLayer = new SelectionLayer(
columnGroupExpandCollapseLayer);
ViewportLayer viewportLayer = new ViewportLayer(selectionLayer);
// build the column header layer
IDataProvider columnHeaderDataProvider = new DefaultColumnHeaderDataProvider(
propertyNames, propertyToLabelMap);
DataLayer columnHeaderDataLayer = new DefaultColumnHeaderDataLayer(