Height (PULONG) - input

      Pointer to the height of the character cell in pels.

    Width (PULONG) - input

      Pointer to the width of the character cell in pels.

    hvps (HVIO) - input

      VIO presentation-space handle.

      This is a value returned by VioCreatePS.

    rc (APIRET) - returns

      Return code.

      VioGetDeviceCellSize returns one of the following values:

    • NO_ERROR 421
        ERROR_VIO_INVALID_PARMS
      436
        ERROR_VIO_INVALID_HANDLE

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