Sub FrmHasChildForm()
    Dim ctrl   As Control
    Dim frm    As Object
    Dim flag   As Boolean
    For Each frm In CurrentProject.AllForms
        flag = False
        DoCmd.OpenForm frm.Name, acNormal, , , , acHidden
        For Each ctrl In Forms(frm.Name).Controls
            If ctrl.ControlType = 112 Then
                flag = True
                Debug.Print frm.Name, ctrl.Name
                Exit For
            End If
        Next
        MsgBox IIf(flag = True, frm.Name & "包含子窗体", frm.Name & "不包含子窗体")
        DoCmd.Close acForm, frm.Name
    Next
End Sub