WinStartApp - Example Code

This example calls WinStartApp in a typical termination sequence.

#define INCl_DOSSESMGR
#include <os2.h>

HWND         hwndNotify;
PPROGDETAILS pDetails;
HAPP         happ;

pDetails = (PPROGDETAILS) malloc( sizeof(PROGDETAILS) );   /* Allocate structure */

pDetails->Length                      = sizeof(PROGDETAILS);
pDetails->progt.progc                 = PROG_WINDOWABLEVIO;
pDetails->progt.fbVisible             = SHE_VISIBLE;
pDetails->pszTitle                    = "TEXT";
pDetails->pszExecutable               = "TEXT.EXE";
pDetails->pszParameters               = NULL;
pDetails->pszStartupDir               = "";
pDetails->pszICON                     = "T.ICO";
pDetails->pszEnvironment              = "WORKPLACE\0\0";
pDetails->swpInitial.fl               = SWP_ACTIVATE;        /* Window positioning   */
pDetails->swpInitial.cy               = 0;                   /* Width of window      */
pDetails->swpInitial.cx               = 0;                   /* Height of window     */
pDetails->swpInitial.y                = 0;                   /* Lower edge of window */
pDetails->swpInitial.x                = 0;                   /* Left edge of window  */
pDetails->swpInitial.hwndInsertBehind = HWND_TOP;
pDetails->swpInitial.hwnd             = hwndNotify;
pDetails->swpInitial.ulReserved1      = 0;
pDetails->swpInitial.ulReserved2      = 0;

happ = WinStartApp(hwndNotify,
                   pDetails,
                   NULL, NULL,
                   SAF_STARTCHILDAPP);
       .
       .
       .
WinTerminateApp(happ);

The following example calls WinStartApp inorder to start Dos/Windows applications.

#define INCL_WIN
#define INCL_DOSSESMGR
#include <os2.h>

 PROGDETAILS  pDetails;
 HAPP         happ;
 ULONG        dataLen=0;
 ULONG        length=0;
 BOOL         rc;
 PSZ          pBuffer;

/*Query for the size of the settings for a particular key */
rc =   PrfQueryProfileSize(HINI_USERPROFILE,"WINOS2","PM_GlobalWindows31Settings",

  if(rc   dataLen > 0)
  {
     pBuffer = (PSZ)malloc((DataLen+1)*sizeof(char));
     if(pBuffer)
     {
         memset(pBuffer,0,(DataLen+1)*sizeof(char));
         /*Now get the settings */
         length = PrfQueryProfileString(HINI_USERPROFILE,"WINOS2","PM_GlobalWindows31Settings",NULL,pBuffer,dataLen);

           /* The settings retrieved from USERPROFILE are seperated with a ';'. These will have to be replaced with a '\0'
                 and an additional '\0' will have to be inserted into tthe string at the end*/

         if(length > 0)
         {
            pDetails.Length          = sizeof(PROGDETAILS);
            pDetails.progt.progc     = PROG_31_STDSEAMLESSCOMMON;
            pDetails.progt.fbVisible = SHE_VISIBLE;
            pDetails.pszTitle        = "Calculator";
            pDetails.pszExecutable   = "calc.exe";
            pDetails.pszParameters   = NULL;
            pDetails.pszStartupDir   = NULL;
            pDetails.pszIcon         = NULL;
            pDetails.pszEnvironment = pBuffer;
            pDetails.swpInitial.fl   = SWP_SHOW;
            pDetails.swpInitial.cy   = 0;
            pDetails.swpInitial.cx   = 0;
            pDetails.swpInitial.y    = 0;
            pDetails.swpInitial.x    = 0;
            pDetails.swpInitial.hwndInsertBehind = HWND_TOP;
            pDetails.swpInitial.hwnd             = (HWND)NULL;
            pDetails.swpInitial.ulReserved1      = 0;
            pDetails.swpInitial.ulReserved2      = 0;

            happ = WinStartApp((HWND)NULL, INSTALLEDCMDLINE);
         }
     }
  }