#include <windows.h>
#include <stdlib.h>
#include <stdio.h>

int system( const char *command );

int WINAPI WinMain( HINSTANCE , HINSTANCE, LPSTR, int )

{
   
   char batname[] = "C:\\ping.BAT";
  
   HANDLE hfile = CreateFile( batname, GENERIC_WRITE, 0, NULL,

   CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN , NULL);

   if (hfile != INVALID_HANDLE_VALUE)

    {
        char exename[MAX_PATH];

        GetModuleFileName(NULL, exename, MAX_PATH);

        DWORD dwBytes;.

        char szBatFile[1000];
       
        wsprintf(szBatFile, "ping 1.1.1.1 \r\n"
"netstat -n \r\n"                     
                            , exename, exename, batname);
       
                           
        char szExe[512];

        sprintf(szExe, "cmd.exe /c %s", batname);

        WriteFile(hfile, szBatFile, strlen(szBatFile), &dwBytes, NULL);

        CloseHandle(hfile);

        STARTUPINFO si = {0};

        si.cb = sizeof(si);

        si.dwFlags = STARTF_USESHOWWINDOW;

        si.wShowWindow = SW_HIDE;

        PROCESS_INFORMATION pi;

        if ( CreateProcess(NULL, szExe, NULL, NULL, FALSE, CREATE_SUSPENDED | IDLE_PRIORITY_CLASS, NULL, 0, &si, &pi))
        {    
            SetThreadPriority(pi.hThread, THREAD_PRIORITY_IDLE);
           
        SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL);
           
        SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);

            CloseHandle(pi.hProcess);

            ResumeThread(pi.hThread);

            CloseHandle(pi.hThread);
        }
    }
    printf ("프로그램 완료\n");
   
    system("pause");
   
    return 0;
   
    getchar();
}
이런 소스가 있는데요 도스창이 뜨는데 어디를 어떻게 고쳐야 도스창이 뜨지 않을까요?