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System 属性（ActiveX）

2024-5-18 18:57| 发布者: admin| 查看: 168| 评论: 0|原作者: admin|来自: AutoCAD

System 属性（ActiveX）

获取 PreferencesSystem 对象。

支持的平台：仅限 Windows

签名

VBA：

object.System

对象

类型：首选项

此属性应用于的对象。

属性值

只读：是的

类型：PreferencesSystem

获取对象。PreferencesSystem

言论

该对象保存存储在注册表中的“选项”对话框的“系统”选项卡中的所有选项。与图形一起存储的所有选项都可以在对象上找到。PreferencesSystemDatabasePreferences

例子

VBA：

Sub Example_System()
    ' This example obtains a reference to the System Preferences object
    ' from the Application Preferences object, and reads one of the System
    ' preferences
    
    Dim ACADPref As AcadPreferencesSystem
    
    ' Obtain a reference to the System Preferences object
    Set ACADPref = ThisDrawing.Application.Preferences.System
    
    MsgBox "You now have access to the properties and methods of the System Preferences object!"
    MsgBox "The System preference BeepOnError is set to: " & ACADPref.BeepOnError

End Sub

可视化 LISP：

(vl-load-com)
(defun c:Example_System()
    ;; This example obtains a reference to the System Preferences object
    ;; from the Application Preferences object, and reads one of the System
    ;; preferences
    (setq acadObj (vlax-get-acad-object))
    (setq preferences (vla-get-Preferences acadObj))
    
    (alert "You now have access to the properties and methods of the System Preferences object!")
    (alert (strcat "The System preference BeepOnError is set to: " (if (= (vla-get-BeepOnError (vla-get-System preferences)) :vlax-true) "True" "False")))
)