Full Name:
How to: Close Workbooks

Short Name:
How to: Close Workbooks

Type of Entity:
C#

Abstract:
This example demonstrates the Close method, which you can use to close the specified Workbook, optionally specifying whether changes should be saved. If the Workbook has never been saved, you can specify a file name. In addition, if the Workbook is to be routed to other users, you can specify whether you want to send the Workbook on to the next user.

MSDN Source URL:
http://msdn2.microsoft.com/cd8yh918.aspx