The MREGRING ioctl subroutine call specifies the address of the input ring and the value to be used as the source identifier when enqueuing reports on the ring. A subsequent MREGRING ioctl subroutine call replaces the input ring supplied earlier. Specify a null input ring pointer to disable mouse input.
FileDescriptor | Specifies the open file descriptor for the mouse. |
Arg | Specifies the address of an URERING structure. |
This ioctl subroutine call is part of Base Operating System (BOS) Runtime.