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Dim acad As New AcadApplication
Dim sp As New AcadSecurityParams
acad.Visible = True
sp.Action = AcadSecurityParamsType.ACADSECURITYPARAMS_ENCRYPT_DATA
sp.Algorithm = AcadSecurityParamsConstants.ACADSECURITYPARAMS_ALGID_RC4
sp.KeyLength = 40
sp.Password = UCase("mypassword") ' converts all passwords to uppercase before applying them
sp.ProviderName = "Microsoft Base Cryptographic Provider v1.0"
sp.ProviderType = 1
acad.ActiveDocument.SaveAs "C:\MyDrawing.dwg", , sp
请大侠指点迷津
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置顶卡
