◄WasUndoc►

                    ◄WasUndoc►
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This API service was first documented by Microsoft
in DOS 5.0, but is supported by earlier versions.

The ◄WasUndoc► flag is irrelevant with regard to
programming considerations; only the supported
version number is important.
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TECH Help! flags these services only to bring them
to your attention.  They are often useful and might
otherwise be overlooked as a programming resource.