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Gets or sets whether the sheet is centered vertically on the page when it's printed.
This property indicates whether the worksheet content is vertically centered within the printable page area during printing.
bool CenterVertically { get; set; }
Property CenterVertically As Boolean
IPageSetup pageSetup = worksheet.PageSetup;
pageSetup.CenterVertically = true;
bool centerVertically = pageSetup.CenterVertically;