SECURITY_ATTRIBUTES sa;
HANDLE hRead,hWrite;
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
if (!CreatePipe(&hRead,&hWrite,&sa,0))
{
return;
}
char command[1024]; //长达1K的命令行，够用了吧
strcpy(command,"Cmd.exe /C ");
strcat(command,para_sys);
STARTUPINFO si;
PROCESS_INFORMATION pi;
si.cb = sizeof(STARTUPINFO);
GetStartupInfo(&si);
si.hStdError = hWrite; //把创建进程的标准错误输出重定向到管道输入
si.hStdOutput = hWrite; //把创建进程的标准输出重定向到管道输入
si.wShowWindow = SW_HIDE;
si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
//关键步骤，CreateProcess函数参数意义请查阅MSDN
if (!CreateProcess(NULL, A2W(command),NULL,NULL,TRUE,NULL,NULL,NULL,&si,&pi))
{
CloseHandle(hWrite);
CloseHandle(hRead);
AfxMessageBox(_T("Feature Detection Failed!"));
return;
}
CloseHandle(hWrite);
char buffer[4096] = {0}; //用4K的空间来存储输出的内容，只要不是显示文件内容，一般情况下是够用了。
DWORD bytesRead;
while (true)
{
if (ReadFile(hRead,buffer,4095,&bytesRead,NULL) == NULL)
break;
//buffer中就是执行的结果，可以保存到文本，也可以直接输出
AfxMessageBox(A2W(buffer)); //这里是弹出对话框显示
}
CloseHandle(hRead);