确定 AutoCAD 是在单文档模式下还是在多文档模式下运行。 支持的平台:仅窗口 属性值只读:不 类型:布尔
言论此属性的初始值为。False 此属性可帮助第三方开发人员更新应用程序,使其与 AutoCAD 多绘图模式顺利配合使用。它可能会在AutoCAD的未来版本中过时。 注意:此属性的值存储在 SDI 系统变量中。
例子工 务 局: Sub Example_SingleDocumentMode() ' This example reads and modifies the preference value that controls ' whether AutoCAD runs in single- or multiple-document mode. ' When finished, this example resets the preference value back to ' its original value. Dim ACADPref As AcadPreferencesSystem Dim originalValue As Variant, newValue As Variant ' Get the system preferences object Set ACADPref = ThisDrawing.Application.Preferences.System ' Read and display the original value originalValue = ACADPref.SingleDocumentMode MsgBox "The SingleDocumentMode preference is set to: " & originalValue ' Modify the SingleDocumentMode preference by toggling the value ACADPref.SingleDocumentMode = Not (ACADPref.SingleDocumentMode) newValue = ACADPref.SingleDocumentMode MsgBox "The SingleDocumentMode preference has been set to: " & newValue ' Reset the preference back to its original value ' ' * Note: Comment out this last section to leave the change to ' this preference in effect ACADPref.SingleDocumentMode = originalValue MsgBox "The SingleDocumentMode preference was reset back to: " & originalValue End Sub Visual LISP: (vl-load-com) (defun c:Example_SingleDocumentMode() ;; This example reads the preference value that lists ;; whether AutoCAD is running in single- or multiple-document mode. (setq acadObj (vlax-get-acad-object)) (setq preferences (vla-get-Preferences acadObj)) ;; Read the current value (setq currValue (vla-get-SingleDocumentMode (vla-get-System preferences))) (alert (strcat "The SingleDocumentMode preference is set to: " (if (= currValue :vlax-true) "True" "False"))) ) |
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