锁定
Dim App As New MSExcel.Application
Dim Wb As MSExcel.WorkBook = App.WorkBooks.Open("文件路径")
Dim Ws As MSExcel.WorkSheet = Wb.WorkSheets("Sheet1")
Ws.Protect("123456",True,True,True)
Wb.Save
App.Quit
解锁
Dim App As New MSExcel.Application
Dim Wb As MSExcel.WorkBook = App.WorkBooks.Open("文件路径")
Dim Ws As MSExcel.WorkSheet = Wb.WorkSheets("Sheet1")
Ws.Unprotect("123456")
Wb.Save
App.Quit