Problem:
This can be done in two ways:
1) Implementing the Windows CreateProcess API for which a demo is attached.
2) Implementing the library call routine: X"91" function 35 library routine
Resolution:
1) CreateProcess API call. Attached is a demo showing how to use this call. For further information on the CreateProcess API go to:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/createprocess.asp
2) X"91" function 35 library routine
This routine carries out an EXEC call to the specified program file which executes it.
The syntax used is:
call x"91" using result
function-code
parameter
The parameters used are (using call prototype pic on 32 bit systems):
result cblt-x1-compx pic x comp-x.
function-code cblt-x1-compx pic x comp-x.
parameter Group containing: Group containing:
name-len cblt-x1-compx pic x comp-x
progname pic x(n) pic x(n)
On Entry:
function Value 35
name-len The number of characters in the name of the program. If this is set to zero,
whatever has been previously written to the command line is executed.
progname The filename of the program to be executed.
On Exit:
result Zero if the EXEC call was successful, nonzero otherwise. If the reason for
failure is an operating system error and has a number less than 255, that
number is returned. If the number is more than 255, 255 is returned.
Addition information:
In order to execute a command line instead of just a named program, set name-len to zero and then set the command line using the DISPLAY...UPON COMMAND-LINE syntax.
Please also note that a small black DOS prompt window will briefly appear when using this routine.
