void test5172()
{
	Folder fldRoot("/");
		
	foreach (Folder sf in fldRoot.Subfolders)	//loop over the subfolders of root folder
	{	
		foreach (PageBase pg in sf.Pages)	//loop over the pages in the subfolder
		{
			if (pg.GetType() == EXIST_WKS) 	//check if the page is an worksheet page
			{
				WorksheetPage wp(pg);
				Worksheet wks(wp.Layers(0));
				wks.DeleteRow(10);	//delete the 10th row
			}
		}

	}

}