This function is used to end a print job and return the job id. The print-job identifier is displayed to the user by the spooler while this job is on the queue, and while it is being printed.

#define INCL_SPL
#include <OS2.H>

HSPL hspl;  /* spooler handle. */
ULONG jobid;
CHAR szMsg[100];
HWND hwndClient;

jobid = SplQmEndDoc(hspl);

sprintf(szMsg, "ending job %d",jobid);
WinMessageBox(HWND_DESKTOP,
    hwndClient,                /* client-window handle  */
    szMsg,                     /* body of the message   */
    "Printing Information",    /* title of the message */
    0,                         /* message box id        */
    MB_NOICON | MB_OK);        /* icon and button flags */