'================================================================ '概 要:Excelの読み取りパスワードを調査する。 '引 数:fileName 読み取りパスワードを調べるExcelファイル名(絶対パス) '戻り値:1 パスワードあり 0 パスワードなし '作成者:ぱそくま '作成日:2008/01/01 '================================================================ Private Function checkXlsFileHasPwd(fileName As String) As Integer On Error GoTo checkXlsFileHasPwd_Err Dim adoCn As Object Dim strOpt As String Set adoCn = CreateObject("adodb.connection") strOpt = "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=" & fileName & ";" & _ "Extended Properties=Excel 8.0;" On Error Resume Next Call adoCn.Open(strOpt) If Err.Number = -2147467259 Then checkXlsFileHasPwd = 1 Else checkXlsFileHasPwd = 0 End If adoCn.Close Set adoCn = Nothing checkXlsFileHasPwd_Exit: Exit Function checkXlsFileHasPwd_Err: checkXlsFileHasPwd = -1 Resume checkXlsFileHasPwd_Exit End Function
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