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 这里最好改下? Public Function CreateSelectionSet(Optional ssName As String = "ss") As AcadSelectionSet     Dim ss As AcadSelectionSet     On Error Resume Next     Set ss = ThisDrawing.SelectionSets(ssName)     If Err Then Set ss = ThisDrawing.SelectionSets.Add(ssName)     ss.Clear     Set CreateSelectionSet = ss End Function -》 Public Function CreateSelectionSet(Optional ssName As String = "ss") As AcadSelectionSet    On Error Resume Next     ThisDrawing.SelectionSets(ssName).delete     Set CreateSelectionSet = ThisDrawing.SelectionSets.Add(ssName) End Function  |