Adds an element to a queue.
#define INCL_DOSQUEUES
#include <os2.h>
HQUEUE hq; /* The handle of the queue to which an element is to be added. */
ULONG request; /* A value to be passed with the queue element. */
ULONG cbData; /* The length, in bytes, of the data that is being sent to the queue. */
PVOID pbData; /* A pointer to the buffer that contains the data to be placed into the queue. */
ULONG priority; /* The priority value of the element that is being added to the queue. */
APIRET ulrc; /* Return Code. */
ulrc = DosWriteQueue(hq, request, cbData,
pbData, priority);