Excel for WPF and Silverlight
PrintSettings Property (XLSheet)
Example 

C1.WPF.Excel Namespace > XLSheet Class : PrintSettings Property
Gets or sets an XLPrintSettings object that controls how the sheet is printed.
Syntax
'Declaration
 
Public Property PrintSettings As XLPrintSettings
public XLPrintSettings PrintSettings {get; set;}
Example
The code below creates a header for the sheet and sets the orientation to landscape:
XLPrintSettings pp = sheet.PrintSettings();
pp.Landscape = true;
pp.Header = "&LLeft Header&CCenter Header&RRight Header";
See Also

Reference

XLSheet Class
XLSheet Members