什么是匿名区块?谢谢。如何删除此线程?
- Using tr
- Dim bt As BlockTable = DirectCast(tr.GetObject(DB.BlockTableId, OpenMode.ForRead), BlockTable)
- For Each btrid As ObjectId In bt
- Dim btr As BlockTableRecord = DirectCast(tr.GetObject(btrid, OpenMode.ForRead), BlockTableRecord)
- If Not btr.IsAnonymous And Not btr.IsLayout Then
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