====== DeleteVBLIOReq ======

Delete an I/O request created by CreateVBLIOReq().

==== Synopsis ====

''%%Err DeleteVBLIOReq (Item ioreq)%%''

==== Description ====

This macro deletes a SPORT I/O request item created by ''%%CreateVBLIOReq()%%''.

==== Arguments ====

  * **ioreq** The item number of the I/O request to delete.

==== Return Value ====

The macro returns 0 if the I/O request was successfully deleted or an error code (a negative value) if an error occurs.

==== Implementation ====

Macro implemented in graphics.h V24.

==== Associated Files ====

graphics.h

==== See Also ====

''%%CreateVBLIOReq%%''()