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nckchan

VC++ Question

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There is a *.exe file which will return a value for my program future use. How can I call this exe file in the C++ program and how can I get the return value??? Thx!!! chikit

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Nckchan,

Depending on quite what you need when calling your external *.exe. (Whether you need a special command line arguments or enviroment) I'd use either one of the spawn functions.

For example to call the command "c:\bin\dosomething.exe 27 hello"
Using _spawnl

int _spawnl( int mode, const char *cmdname, const char *arg0, const char *arg1, ... const char *argn, NULL );

#include <process.h>

...
char* cmd = "c:\\bin\\dosomething.exe";
char* arg1 = "27";
char* arg2 = "hello";
int ret = _spawnl ( _P_WAIT, cmd, cmd, arg1, arg2, NULL );
...

Hope this helps

Tom.

Edited by - TomH on March 19, 2001 8:20:04 AM

Edited by - TomH on March 19, 2001 8:32:06 AM

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