ulSession (ULONG) - input
pszTitle (PSZ) - output
This is the title of the application with a process identity, if the application is present in the Window List.
ulTitlelen (ULONG) - input
If the pszTitle parameter is longer than this, the title is truncated. However, the terminating null character is left at the end of the string. The maximum number of title characters copied is (ulTitlelen-1).
rc (ULONG) - returns