TryCollapseOrExpandAllGroups
(
Microsoft.Office.Interop.Excel.Workbook oWorkbook,
Boolean bCollapse
)
{
Debug.Assert(oWorkbook != null);
// Store the new collapsed state in the group table.
ListObject oGroupTable;
if (ExcelTableUtil.TryGetTable(oWorkbook, WorksheetNames.Groups,
TableNames.Groups, out oGroupTable))
{
ExcelTableUtil.SetVisibleTableColumnData(oGroupTable,
GroupTableColumnNames.Collapsed,
(new BooleanConverter()).GraphToWorkbook(bCollapse));
return(true);
}
return(false);
}