如何删除指定名字图层上的所有对象？

szuki

RT

Public Sub delete()

Dim objLayer As AcadLayer
Set objLayer = ThisDrawing.Layers("testlayer")

'这里用什么方法？

End Sub

szuki

'删除图层上所有对象
Function DelAllInLayer(ByVal LName As String)
    'On Error Resume Next
    Dim SSet As AcadSelectionSet
    Set SSet = CreateSelectionSet("XXX")
    Dim Ft(0) As Integer, Fd(0)
    Ft(0) = 8: Fd(0) = LName
    SSet.Select acSelectionSetAll, , , Ft, Fd
    Dim E As AcadEntity
    'MsgBox SSet.Count
    For Each E In SSet
        E.Delete
    Next
End Function
Function CreateSelectionSet(Optional SSetName As String = "mjtd") As AcadSelectionSet
    On Error Resume Next
    ThisDrawing.SelectionSets(SSetName).Delete
    Set CreateSelectionSet = ThisDrawing.SelectionSets.Add(SSetName)
End Function

大侠看看，测试通过了

      Ft(0) = 8 是何意？

Saging

表示以"图层"组码为条件的过滤器,必须与图层名组合起来用.如果会LISP的话,可以用

(setq obj (entset (ssname (ssget) 0)))看来所选择对象相应的组码值.

mycad

1按图层过滤实体

2删除