This function converts the text of a dialog item into an integer value.

#define INCL_WINDIALOGS /* Or use INCL_WIN, INCL_PM, Also in COMMON section */
#include <os2.h>

HWND      hwndDlg;   /*  Parent-window handle. */
ULONG     idItem;    /*  Identity of the child window whose text is to be converted. */
PSHORT    psResult;  /*  Integer value resulting from the conversion. */
BOOL      fSigned;   /*  Sign indicator. */
BOOL      rc;        /*  Success indicator. */

rc = WinQueryDlgItemShort(hwndDlg, idItem,
       psResult, fSigned);