ExcelFile.PrintNumberOfVerticalPages Property
If set, the sheet will be printed on at most this number of vertical pages. Use 0 to have unlimited vertical pages while still limiting the horizontal pages with PrintNumberOfHorizontalPages. (see 'Preparing for printing' in the Api Developer Guide)
Syntax
Namespace: FlexCel.Core
public abstract Int32 PrintNumberOfVerticalPages { get; set; }