指定加密算法的标识符。(已过时) 支持的平台:仅窗口 属性值只读:不 类型:长;枚举AcadSecurityParamsConstants 仅指定以下常量。
言论注意:从基于 AutoCAD-2016 的产品开始,使用密码保护图形文件的功能已停止使用。
例子工 务 局: Sub Example_Algorithm()
' This example encrypts and saves a file.
Dim sp As AcadSecurityParams
Set sp = GetInterfaceObject("AutoCAD.SecurityParams.20")
sp.Action = AcadSecurityParamsType.ACADSECURITYPARAMS_ENCRYPT_DATA
sp.Algorithm = AcadSecurityParamsConstants.ACADSECURITYPARAMS_ALGID_RC4
sp.KeyLength = 40
sp.Password = UCase("mypassword") 'AutoCAD converts all passwords to uppercase before applying them
sp.ProviderName = "Microsoft Base Cryptographic Provider v1.0"
sp.ProviderType = 1
ThisDrawing.SaveAs "C:\MyDrawing.dwg", , sp
End Sub
Visual LISP: (vl-load-com)
(defun c:Example_Algorithm()
;; This example encrypts and saves a drawing file.
(setq acadObj (vlax-get-acad-object))
(setq sp (vlax-create-object "AutoCAD.SecurityParams.20"))
(vla-put-Visible acadObj :vlax-true)
(vla-put-Action sp ACADSECURITYPARAMS_ENCRYPT_DATA)
(vla-put-Algorithm sp ACADSECURITYPARAMS_ALGID_RC4)
(vla-put-KeyLength sp 40)
(vla-put-Password sp (strcase "mypassword"))
(vla-put-ProviderName sp "Microsoft Base Cryptographic Provider v1.0")
(vla-put-ProviderType sp 1)
(setq doc (vla-get-ActiveDocument acadObj))
(vla-SaveAs doc "C:\\MyDrawing.dwg" acNative sp)
(vlax-release-object sp)
)
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