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AutoCAD 2022 开发者帮助

Database 属性（ActiveX）

2024-5-18 18:45| 发布者: admin| 查看: 11| 评论: 0|原作者: admin|来自: AutoCAD

获取对象所属的数据库。

支持的平台：仅限 Windows

签名

VBA：

object.Database

对象

类别： 文档

此属性应用于的对象。

属性值

只读：是的

类型： 数据库

包含对象的对象。Database

言论

没有其他评论。

例子

VBA：

Sub Example_Database()
    ' This example references the Database object obtained from model space.
    ' Information from the Database object is then displayed
    
    Dim Database As AcadDatabase
    
    ' Attach to Database object
    Set Database = ThisDrawing.ModelSpace.Database
    MsgBox "We now have access to the properties and methods of the Database object!"
    
    ' Retrieve the number of Blocks in this database
    MsgBox "The number of Blocks in this database is: " & Database.Blocks.Count

    ' Release object
    Set Database = Nothing
    MsgBox "The Database object has been released!"
End Sub

可视化 LISP：

(vl-load-com)
(defun c:Example_Database()
    ;; This example references the Database object obtained from model space.
    ;; Information from the Database object is then displayed
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
    
    ;; Attach to Database object
    (setq database (vla-get-Database (vla-get-ModelSpace doc)))
    (alert "We now have access to the properties and methods of the Database object!")
    
    ;; Retrieve the number of Blocks in this database
    (alert (strcat "The number of Blocks in this database is: " (itoa (vla-get-Count (vla-get-Blocks database)))))

    ;; Release object
    (vlax-release-object database)
    (alert "The Database object has been released!")
)