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BeepOnError 属性（ActiveX）

2024-5-18 19:20| 发布者: admin| 查看: 330| 评论: 0|原作者: admin|来自: AutoCAD

指定 AutoCAD 在检测到无效条目时是否应发出警报蜂鸣音。

支持的平台：仅限 Windows

签名

VBA：

object.BeepOnError

对象

类型：PreferencesSystem

此属性应用于的对象。

属性值

只读：不

类型：布尔

True：发出无效条目的警报蜂鸣声。
False：不会发出无效条目的警报蜂鸣声。

言论

此属性的初始值为。False

例子

VBA：

Sub Example_BeepOnError()
    ' This example returns the current setting of
    ' BeepOnError. It then changes the value, and finally
    ' it resets the value back to the original setting.
    
    Dim preferences As AcadPreferences
    Dim currBeepOnError As Boolean
    
    Set preferences = ThisDrawing.Application.preferences
    
    ' Retrieve the current BeepOnError value
    currBeepOnError = preferences.System.BeepOnError
    MsgBox "The current value for BeepOnError is " & preferences.System.BeepOnError, vbInformation, "BeepOnError Example"
    
    ' Change the value for BeepOnError
    preferences.System.BeepOnError = Not (currBeepOnError)
    MsgBox "The new value for BeepOnError is " & preferences.System.BeepOnError, vbInformation, "BeepOnError Example"
    
    ' Reset BeepOnError to its original value
    preferences.System.BeepOnError = currBeepOnError
    MsgBox "The BeepOnError value is reset to " & preferences.System.BeepOnError, vbInformation, "BeepOnError Example"
End Sub

可视化 LISP：

(vl-load-com)
(defun c:Example_BeepOnError()
    ;; This example returns the current setting of
    ;; BeepOnError. It then changes the value, and finally
    ;; it resets the value back to the original setting.
    (setq acadObj (vlax-get-acad-object))
    (setq preferences (vla-get-Preferences acadObj))
    
    ;; Retrieve the current BeepOnError value
    (setq currBeepOnError (vla-get-BeepOnError (vla-get-System preferences)))
    (alert (strcat "The current value for BeepOnError is " (if (= currBeepOnError :vlax-true) "True" "False")))
    
    ;; Change the value for BeepOnError
    (vla-put-BeepOnError (vla-get-System preferences) (if (= currBeepOnError :vlax-true) :vlax-false :vlax-true))
    (setq newBeepOnError (vla-get-BeepOnError (vla-get-System preferences)))
    (alert (strcat "The new value for BeepOnError is " (if (= newBeepOnError :vlax-true) "True" "False")))
    
    ;; Reset BeepOnError to its original value
    (vla-put-BeepOnError (vla-get-System preferences) currBeepOnError)
    (alert (strcat "The BeepOnError value is reset to " (if (= currBeepOnError :vlax-true) "True" "False")))
)