请在门口检查你的大脑

Private Sub cmdLayoutLines_Click()
      Me.Hide
      Dim intBusSpacing As Integer, strLayer As AcadLayer, objLine As AcadLine
      Set strLayer = ThisDrawing.Layers.Add("3d-Layout-Lines")
      strLayer.color = 173
      ThisDrawing.ActiveLayer = strLayer
      With ThisDrawing.Utility
            Dim pt1 As Variant, pt2 As Variant
            pt1 = .GetPoint(, "Pick Starting Point: ")
            pt2 = .GetPoint(pt1, "Pick Next Point: ")
            ThisDrawing.ModelSpace.AddLine pt1, pt2
            While pt2  Empty
                  pt1 = pt2
                  pt2 = .GetPoint(pt1, "Pick Next Point: ")
                  ThisDrawing.ModelSpace.AddLine pt1, pt2
            Wend
      End With
      Me.Show
End Sub

Private Sub cmdLayoutLines_Click()
      Me.Hide
      Dim intBusSpacing As Integer, strLayer As AcadLayer, objLine As AcadLine
      Set strLayer = ThisDrawing.Layers.Add("3d-Layout-Lines")
      strLayer.color = 173
      ThisDrawing.ActiveLayer = strLayer
      With ThisDrawing.Utility
            Dim pt1 As Variant, pt2 As Variant
            pt1 = .GetPoint(, "Pick Starting Point: ")
            pt2 = .GetPoint(pt1, "Pick Next Point: ")
            ThisDrawing.ModelSpace.AddLine pt1, pt2
            While Not pt2(0)
                  pt1 = pt2
                  pt2 = .GetPoint(pt1, "Pick Next Point: ")
                  ThisDrawing.ModelSpace.AddLine pt1, pt2
            Wend
      End With
      Me.Show
End Sub

Private Sub cmdLayoutLines_Click()
    Me.Hide
    Dim intBusSpacing As Integer, strLayer As AcadLayer, objLine As AcadLine
    Set strLayer = ThisDrawing.Layers.Add("3d-Layout-Lines")
    strLayer.color = 173
    ThisDrawing.ActiveLayer = strLayer
    
    On Error Resume Next
    Do
        With ThisDrawing.Utility
            Dim pt1 As Variant, pt2 As Variant
            pt1 = .GetPoint(, "Pick Starting Point: ")
            pt2 = .GetPoint(pt1, "Pick Next Point: ")
            ThisDrawing.ModelSpace.AddLine pt1, pt2
            While Not pt2(0)
                pt1 = pt2
                If Err.Number  0 Then
                    Exit Do
                Else
                    pt2 = .GetPoint(pt1, "Pick Next Point: ")
                    ThisDrawing.ModelSpace.AddLine pt1, pt2
                End If
            Wend
        End With
    Loop
    Me.Show
End Sub