hvdd (HVDD) - input

      The handle of the virtual device driver to be closed.

      Specify the handle that was returned by a previous call to DosOpenVDD.

    ulrc (APIRET) - returns

      Return Code.

      DosCloseVDD returns one of the following values:

    • NO_ERROR 6
        ERROR_INVALID_HANDLE
      644
        ERROR_INVALID_CALLER
      For a full list of error codes, see Errors.

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