如何单步执行外部程序

　　for c++builder,用于vc应该把消息框改一下就可以了

void contour(void){

char ln[100];

int make;

char str[100]="";

char *tip="不能执行：";

sprintf(ln,"%s\%s",getcurrentdir(),"watson.exe");

char path[100];

sprintf(path,"%s",getcurrentdir());

chdir(path);

//showmessage(ln);

startupinfo startinfo;

process_information procinfo;

strcat(str,tip);

strcat(str, ln);

getstartupinfo(&startinfo);

startinfo.dwflags =startf_useshowwindow;

startinfo.wshowwindow=sw_hide ;

make=createprocess(null,ln,null,null,false,0,null,null,&startinfo,&procinfo);

if (!make)

{

messagebox(null, str, "提示", mb_ok);

}

waitforsingleobject(procinfo.hprocess, infinite);

}