也可以在选择集的后面加上删掉这个选择句的语句啊:
Dim selset As AcadSelectionSet
Set selset = ThisDrawing.SelectionSets.Add("集合5")
selset.Select acSelectionSetAll
'遍历选择集并将每一个对象镜相
Dim entry As AcadEntity
For Each entry In selset
entry.Mirror cp0, cp9
entry.Update
Next entry
selset.Delete '避免下次重复
这样下次就不会重复了