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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