C++调用命令行

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//调用命令行命令而不显示命令行窗口
BOOL system_hide(const char* CommandLine)
{
	SECURITY_ATTRIBUTES   sa;
	HANDLE   hRead, hWrite;

	sa.nLength = sizeof(SECURITY_ATTRIBUTES);
	sa.lpSecurityDescriptor = NULL;
	sa.bInheritHandle = TRUE;
	if (!CreatePipe(&hRead, &hWrite, &sa, 0))
	{
		return   FALSE;
	}

	STARTUPINFO   si;
	PROCESS_INFORMATION   pi;
	si.cb = sizeof(STARTUPINFO);

	GetStartupInfo(&si);
	si.hStdError = hWrite;
	si.hStdOutput = hWrite;
	si.wShowWindow = SW_HIDE;
	si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
	
	//这里要  右键工程 - 属性 - 常规----字符集改为---- - 多字节字符集  不然CommandLine形参不匹配
	//关键步骤，CreateProcess函数参数意义请查阅MSDN   
	//生成.box文件
	if (!CreateProcess(NULL, (LPSTR)CommandLine, NULL, NULL, TRUE, NULL, NULL, NULL, &si, &pi))
	{
		return FALSE;
	}
	CloseHandle(hWrite);
	char   buffer[4096] = { 0 };
	DWORD   bytesRead;

	while (true)
	{
		memset(buffer, 0, strlen(buffer));
		if (ReadFile(hRead, buffer, 4095, &bytesRead, NULL) == NULL)
			break;

		Sleep(100);
	}
	return   TRUE;
}