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Gets a picture or text to be center aligned in the page header.
Use the returned IHeaderFooter object to configure the text or picture shown in the center section of the header for this page.
IHeaderFooter CenterHeader { get; }
ReadOnly Property CenterHeader As IHeaderFooter
IPageSetup pageSetup = worksheet.PageSetup;
pageSetup.DifferentFirstPageHeaderFooter = true;
IHeaderFooter centerHeader = pageSetup.FirstPage.CenterHeader;
centerHeader.Text = "Confidential";
string text = centerHeader.Text;