DemandLoadARXApp Property （ActiveX）

签名

工 务 局：

object.DemandLoadARXApp

对象

类型：首选项打开保存

此属性适用的对象。

属性值

只读：不

类型：枚举acARXDemandLoad

• acDemandLoadDisabled：关闭按需加载。
• acDemandLoadOnObjectDetect：打开包含自定义对象的图形时按需加载源应用程序。此设置不会在调用应用程序的某个命令时要求加载应用程序。
• acDemandLoadCmdInvoke：在调用源应用程序的某个命令时按需加载源应用程序。此设置不会在打开包含自定义对象的图形时要求加载应用程序。
• acDemandLoadOnObjectDetect + acDemandLoadCmdInvoke：当您打开包含自定义对象的图形或调用应用程序的某个命令时，按需加载源应用程序。

言论

此属性的初始值为。acDemandLoadOnObjectDetect + acDemandLoadCmdInvoke

例子

工 务 局：

Sub Example_DemandLoadARXApp()
    ' This example returns the current setting of
    ' DemandLoadARXApp. It then changes the value, and finally
    ' it resets the value back to the original setting.
    
    Dim preferences As AcadPreferences
    Dim currDemandLoadARXApp As Integer
    Dim constant As String
    Dim newConstant As String
    
    Set preferences = ThisDrawing.Application.preferences
    
    ' Retrieve the current DemandLoadARXApp value
    currDemandLoadARXApp = preferences.OpenSave.DemandLoadARXApp
    MsgBox "The current value for DemandLoadARXApp is " & currDemandLoadARXApp, vbInformation, "DemandLoadARXApp Example"
    
    ' Change the value for DemandLoadARXApp
    newConstant = acDemandLoadCmdInvoke
    preferences.OpenSave.DemandLoadARXApp = acDemandLoadCmdInvoke
    MsgBox "The new value for DemandLoadARXApp is " & newConstant, vbInformation, "DemandLoadARXApp Example"
    
    ' Reset DemandLoadARXApp to its original value
    preferences.OpenSave.DemandLoadARXApp = currDemandLoadARXApp
    MsgBox "The DemandLoadARXApp value is reset to " & currDemandLoadARXApp, vbInformation, "DemandLoadARXApp Example"
End Sub

Visual LISP：

(vl-load-com)
(defun c:Example_DemandLoadARXApp()
    ;; This example returns the current setting of
    ;; DemandLoadARXApp. 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 DemandLoadARXApp value
    (setq currDemandLoadARXApp (vla-get-DemandLoadARXApp (vla-get-OpenSave preferences)))
    (alert (strcat "The current value for DemandLoadARXApp is " (itoa currDemandLoadARXApp)))
    
    ;; Change the value for DemandLoadARXApp
    (setq newConstant acDemandLoadCmdInvoke)
    (vla-put-DemandLoadARXApp (vla-get-OpenSave preferences) newConstant)
    (alert (strcat "The new value for DemandLoadARXApp is " (itoa newConstant)))
    
    ;; Reset DemandLoadARXApp to its original value
    (vla-put-DemandLoadARXApp (vla-get-OpenSave preferences) currDemandLoadARXApp)
    (alert (strcat "The DemandLoadARXApp value is reset to " (itoa currDemandLoadARXApp)))
)