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Returns the extent of the specified page break: the entire worksheet or only the print area.
The returned value indicates whether the vertical page break applies to the entire worksheet or only within the print area.
PageBreakExtent Extent { get; }
ReadOnly Property Extent As PageBreakExtent
IVPageBreak pageBreak = worksheet.VPageBreaks.Add(worksheet.Range["F3"]);
PageBreakExtent extent = pageBreak.Extent;
string scope = extent == PageBreakExtent.PageBreakPartial ? "Print area" : "Full sheet";