civil3d purge styles in a lsp or marco

Is ther a way to purge all civil 3d styles in a macro or lsp. -purgestyles does not seems to work. I have not worked with lsp for a while just getting back into it again. 

I have seen this used for purge (vla-purgeall File) and (vla-AuditInfo File T) for audit can we somethging like this with purgestyles or some how echo off the dialog that comes up. seemslike purgng styles should be just as simple a an audit or purge, but is seem more complex.

Thanks, any help would  great.

Lisa

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