Reject All Changes(Object, Object, Object) Method
Rejects all changes in the shared workbook.
public void RejectAllChanges (object When, object Who, object Where);
One of the XlHighlightChangesTime values that specifies when the changes to be rejected were made.
A string that identifies who made the changes to be rejected. Can be "Everyone", "Everyone but Me", or the name of one of the users of the shared workbook.
An A1-style range reference that specifies the location of the changes to be rejected.
For information on optional parameters, see Optional Parameters in Office Solutions.