求助! vb.net怎样实现cad新建图层?
怎样在vb.net下实现cad新建图层.帮忙介绍详细点!
谢谢!!! Public Sub createNewLayer()
Dim db As Database = Application.DocumentManager.MdiActiveDocument.Database
Dim tm As DBTransMan = db.TransactionManager
Dim ta As Transaction = tm.StartTransaction()
Try
Dim LT As LayerTable = tm.GetObject(db.LayerTableId, OpenMode.ForWrite, False)
Dim LTRec As New LayerTableRecord
'LTRec.Name = "ASDK_MYLAYER"
LT.Add(LTRec)
tm.AddNewlyCreatedDBObject(LTRec, True)
ta.Commit()
Finally
ta.Dispose()
End Try
End Sub 非常谢谢
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