主题：保护EXCEL模板(不被修改)

 Dim tmp As String = ProjectPath & "Attachments\注册登记.xls"
Dim rpt As String = ProjectPath & "Reports\注册登记.xls"
Dim Book As New XLS.Book(tmp)
Book.Build()
Book.Save(rpt)
e.Form.Controls("WebBrowser1").AddRess = rpt


我在启动窗口事件中加入以上代码,

希望加入一个代码,将"注册登记.xls"保护起来;