Postup:
Private Declare Function EncryptFile Lib "ADVAPI32" Alias
_
"EncryptFileA" (ByVal lpFileName As String) As Boolean
Private Declare Function DecryptFile Lib "ADVAPI32" Alias _
"DecryptFileA" (ByVal lpFileName As String,
_
ByVal dwReserved As Long) As Boolean
Const mFile = "c:\test.txt"
Private Sub Form_Load()
Encrypt mFile
End Sub
Sub Encrypt(sFile As String)
If EncryptFile(mFile) Then
MsgBox "Soubor byl zakryptován. Zkuste
přístup jako jiný uživatel."
End If
End Sub
Sub Decrypt(sFile As String)
If DecryptFile(mFile, 0) = True Then
MsgBox "Soubor byl dekryptován."
End If
End Sub
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