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// ExitCodeRecv.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include 
   
    #include 
    
     /**    有个安装程序，安装结束(安装成功，安装失败)后, 会写一个.ini文件    可以从中读安装结果值.    对于非定制程序, 可以读取程序的退出码. 效果应该是一样的    而且读取程序退出码，比读取安装程序的ini输出文件要简洁.*/int _tmain(int argc, _TCHAR* argv[]){    BOOL                    bRc = FALSE;    STARTUPINFO             si;    PROCESS_INFORMATION     pi;    WCHAR                   cCmdLine[MAX_PATH];    DWORD                   dwExitCode = 0;    ::ZeroMemory(&si, sizeof(STARTUPINFO));    si.cb = sizeof(STARTUPINFO);    ::ZeroMemory(&pi, sizeof(PPROCESS_INFORMATION));    ::ZeroMemory(cCmdLine, sizeof(cCmdLine));    wcscpy_s(cCmdLine, L"D:\\LsWorkDir\\Demo\\testExitCode\\subProg\\bin\\ExitCodeSend.exe");    bRc = ::CreateProcessW(        NULL,        cCmdLine,        NULL,        NULL,        FALSE,        0,        NULL,        NULL,        &si,        &pi);    if (!bRc)    {        _tprintf(L"Error CreateProcessW \r\n");        goto _tmain_END;    }    WaitForSingleObject(pi.hProcess, INFINITE);    bRc = GetExitCodeProcess(pi.hProcess, &dwExitCode);    if (!bRc)    {        _tprintf(L"Error CreateProcessW \r\n");        goto _tmain_END;    }    _tprintf(L"subProg dwExitCode = 0x%X\r\n", dwExitCode);_tmain_END:    if (NULL != pi.hProcess)        CloseHandle(pi.hProcess);    if (NULL != pi.hThread)        CloseHandle(pi.hThread);    getwchar();    return 0;}
    
   

// ExitCodeSend.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include 
   
    #include 
    
     #include 
     
      int _tmain(int argc, _TCHAR* argv[]){    int iRc = 0;    srand((UINT)time(NULL));    iRc = rand();    _tprintf(L"return code = 0x%X\r\n", iRc);    getwchar();	return iRc;}
     
    
   

测试程序的输出都打到调用者UI上了.

return code = 0x6980subProg dwExitCode = 0x6980

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