hwndNotify (HWND) - input
A WM_APPTERMINATENOTIFY message is posted to this window, when the started application terminates.
pDetails (PPROGDETAILS) - input
pszParams (PSZ) - input
This specifies the command line parameters to be passed to this application when it starts.
pReserved (PVOID) - input
Reserved, must be NULL.
ulOptions (ULONG) - input
If more than one option is selected, the values can be ORed together.
happ (HAPP) - returns
NULL