[]
Gets or sets the size of the footer margin, in points.
Use this property to retrieve the current distance configured for the footer margin in the page setup.
double FooterMargin { get; set; }
Property FooterMargin As Double
IPageSetup pageSetup = worksheet.PageSetup;
pageSetup.FooterMargin = 93.6;
double footerMargin = pageSetup.FooterMargin;