void worksheets_folder()
{
	Folder fld("/folder1/");  // folder1 under the root folder
	if(!fld)
		return;
	
	foreach(PageBase page in fld.Pages)  // all pages in folder1
	{
		if(page.GetType() == EXIST_WKS)  // if the page is workbook
		{
			WorksheetPage wp(page);  // worksheet page (workbook)
			int nWks = wp.Layers.Count();  // number of worksheets in workbook
			for(int ii = 0; ii < nWks; ii++)
			{
				Worksheet wks = wp.Layers(ii);  // worksheet
				out_str("Worksheet: " + wks.GetName() + " in " + wp.GetName() + " Workbook");  // output worksheet name
			}
		}
	}
}