object

      Object associated with this media control interface command. The object can be one of the following:

      • Device type
      • Device name
      • Filename
      • Alias
      EXCLUSIVE
        Acquires the physical resource for exclusive use. If the resource is not available, MCIERR_DEVICE_IN_USE is returned. Exclusive use of a device can be released with the RELEASE system command.
      EXCLUSIVE INSTANCE
        Acquires the device such that whether being used or not, it cannot be made inactive by another request.
      QUEUE
        Queues ACQUIRE command to be executed when device resources become available.
      WAIT
        The command is executed synchronously. The function waits until the requested action is complete before returning to the application.
      NOTIFY
        The command is executed asynchronously, allowing control to be returned immediately to the application. When the requested action is complete, an MM_MCINOTIFY message is sent to the application window procedure.

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