指定图层是否正在使用中。 支持的平台:仅窗口 属性值只读:是的 类型:布尔
言论此属性指定在调用该方法时是否正在使用图层。GenerateUsageData 例子工 务 局: Sub Example_Used()
' This example provides usage information for the layers
' in a drawing
Dim MyLayers As AcadLayers
Set MyLayers = ThisDrawing.Layers
MyLayers.GenerateUsageData
Dim MyLayerObj As AcadLayer
For Each MyLayerObj In ThisDrawing.Layers
MyLayerObj.Description = "Test"
MsgBox (MyLayerObj.Used)
Next MyLayerObj
End Sub
Visual LISP: (vl-load-com)
(defun c:Example_Used()
;; This example provides usage information for the layers
;; in a drawing
(setq acadObj (vlax-get-acad-object))
(setq doc (vla-get-ActiveDocument acadObj))
(setq MyLayers (vla-get-Layers doc))
(vla-GenerateUsageData MyLayers)
(vlax-for MyLayerObj (vla-get-Layers doc)
(alert (strcat "Layer " (vla-get-Name MyLayerObj) (if (= (vla-get-Used MyLayerObj) :vlax-true) " is used." " is not used.")))
)
)
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