/*测试程序1:
示例如何使用进程的launch程序，通过在命令行中加载相应的命令文件，去按照命令文件中指定的程序路径打开相应的程序去执行*/
#include ＜windows.h＞
#include ＜stdio.h＞
#include ＜string.h＞
#define MAX_LINE_LEN 80
int main(int argc，char* argv[])
{
//local variables
FILE* fid;
char cmdLine[MAX_LINE_LEN];
//CreateProcess parameters
LPSECURITY_ATTRIBUTES processA=NULL;//Default
LPSECURITY_ATTRIBUTES threadA=NULL;//Default
BOOL shareRights=TRUE;//Default
DWORD creationMask=CREATE_NEW_CONSOLE;//Window per process.
LPVOID enviroment=NULL;//Default
LPSTR curDir=NULL;//Default
STARTUPINFO startInfo;//Result
PROCESS_INFORMATION procInfo;//Result
//1.Read the command line parameters
if(argc!=2)
{
fprintf(stderr，"Usage:lanch＜launch_set_filename＞\n");
exit(0);
}
//2.Open a file that coutain a set of commands
fid=fopen(argv[1]，"r");
//3.For every command in the launch file
while(fgets(cmdLine，MAX_LINE_LEN，fid)!=NULL)
{
//Read a command from the file
if(cmdLine[strlen(cmdLine)-1]=='\n')
cmdLine[strlen(cmdLine)-1]='\0';//Remove NEWLINE
//Create a new process to execute the command
ZeroMemory(&startInfo，sizeof(startInfo));
startInfo.cb=sizeof(startInfo);
if(!CreateProcess(
NULL，//File name of executable
cmdLine，//command line
processA，//Process inherited security
threadA， //Thread inherited security
shareRights，//Rights propagation
creationMask，//various creation flags
enviroment，//Enviroment variable
curDir， //Child's current directory
&startInfo，
&procInfo
)
)
{
fprintf(stderr，"CreatProcess failed on error %d\n"，GetLastError());
ExitProcess(0);
}
}
//Terminate after all commands have finished.
return 0;
}
通过上面这段极其简洁的代码，完成了看似有些难度的任务，让我们充分感受到采用一些高级的编程手段所带来的便捷与高效.
