CAD开发者社区 › 首页 ›AutoCAD开发文档› AutoCAD 2019 开发者帮助 › 查看内容

AutoCAD 2019 开发者帮助

PrinterSpoolAlert 属性（ActiveX）

2024-5-18 17:53| 发布者: admin| 查看: 280| 评论: 0|原作者: admin|来自: AutoCAD

指定当由于与 I/O 端口冲突而必须通过系统打印机对设备的输出进行假脱机处理时，是否向用户发出警报。

支持的平台：仅限 Windows

签名

VBA：

object.PrinterSpoolAlert

对象

类型：首选项输出

此属性应用于的对象。

属性值

只读：不

类型：枚举acPrinterSpoolAlert

acPrinterAlwaysAlert：始终发出警报并记录错误。
acPrinterAlertOnce：仅对第一个错误发出警报并记录所有错误。
acPrinterNeverAlertLogOnce：从不发出警报，但记录所有错误。
acPrinterNeverAlert：从不发出警报，也不记录任何错误。

言论

此属性的初始值为。acPrinterAlwaysAlert

例子

VBA：

Sub Example_PrinterSpoolAlert()
    ' This example reads and modifies the PrinterSpoolAlert
    ' preference value.
    ' When finished, this example resets the preference value back to
    ' its original value.
    
    Dim ACADPref As AcadPreferencesOutput
    Dim originalValue As Integer
    
    ' Get the user preferences object

    Set ACADPref = ThisDrawing.Application.Preferences.Output
    
    ' Read and display the original value
    originalValue = ACADPref.PrinterSpoolAlert
    MsgBox "The PrinterSpoolAlert preference is set to: " & originalValue

    ' Modify the PrinterSpoolAlert preference by toggling the value
    ACADPref.PrinterSpoolAlert = acPrinterNeverAlert
    MsgBox "The PrinterSpoolAlert preference has been set to: " & ACADPref.PrinterSpoolAlert

    ' Reset the preference back to its original value
    ACADPref.PrinterSpoolAlert = originalValue
    MsgBox "The PrinterSpoolAlert preference was reset back to: " & originalValue
End Sub

可视化 LISP：

(vl-load-com)
(defun c:Example_PrinterSpoolAlert()
    ;; This example reads and modifies the PrinterSpoolAlert
    ;; preference value.
    ;; When finished, this example resets the preference value back to
    ;; its original value.
    (setq acadObj (vlax-get-acad-object))
    (setq preferences (vla-get-Preferences acadObj))
    
    ;; Read and display the original value
    (setq originalValue (vla-get-PrinterSpoolAlert (vla-get-Output preferences)))
    (alert (strcat "The PrinterSpoolAlert preference is set to: " (itoa originalValue)))

    ;; Modify the PrinterSpoolAlert preference by toggling the value
    (vla-put-PrinterSpoolAlert (vla-get-Output preferences) acPrinterNeverAlert)
    (alert (strcat "The PrinterSpoolAlert preference has been set to: " (itoa (vla-get-PrinterSpoolAlert (vla-get-Output preferences)))))

    ;; Reset the preference back to its original value
    (vla-put-PrinterSpoolAlert (vla-get-Output preferences) originalValue)
    (alert (strcat "The PrinterSpoolAlert preference was reset back to: " (itoa (vla-get-PrinterSpoolAlert (vla-get-Output preferences)))))
)