Remfonts (PULONG) - output

      Number of fonts not returned.

      The number of fonts for which information is not returned.

    Metrics (PFONTMETRICS) - output

      Font metrics.

      Matching font metrics are returned in this buffer.

    Metlen (ULONG) - input

      Maximum length of data.

      The maximum length of data to be returned for each record.

    Fonts (PULONG) - in/out

      Number of fonts.

      The location of the number of fonts to be returned on input. This is updated with the actual number of fonts returned on output.

    Facename (PSZ) - input

      Face name of fonts.

      The face name of fonts desired, or NULL to indicate that all applicable fonts should be returned.

    Options (ULONG) - input

      Controls which fonts are selected.

      Valid values are:

      VQF_PUBLIC

        Return only public fonts.
      VQF_PRIVATE
        Return only private fonts.
      VQF_ALL
        Return both public and private fonts.

      hvps (HVIO) - input

        VIO presentation-space handle.

        This is either 0 to indicate the default VIO session, or a value returned by VioCreatePS.

      rc (APIRET) - returns

        Return code.

        VioQueryFonts returns one of the following values:

      • NO_ERROR 421
          ERROR_VIO_INVALID_PARMS
        436
          ERROR_VIO_INVALID_HANDLE

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