RTEXT confuses VBA

Saturday, 01 April 2006

When using VBA to iterate through entities within any block (including modelspace and paperspace), the first time an RTEXT entity is encountered, an error is produced. Whats worse is that this error cant be trapped with "on error resume next." For example:

Sub RtextError()
  Dim oEnt As AcadEntity
  Dim oBlock As AcadBlock
  For Each oBlock In ThisDrawing.Blocks
    If Not oBlock.IsXRef Then
      For Each oEnt In oBlock
        Debug.Print oEnt.ObjectName ***
     Next oEnt
    End If
  Next oBlock
End Sub

*** when this line encounters an RTEXT entity, the following error occurs: Run-time error -2147221231 ClassFactory cannot supply requested class

Workarounds: None known
First Appeared: AutoCAD 2006
Status as of 2006 SP1: Still evident
Status as of 2007: Fixed. Tough luck, 2006 users.

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