c++ - WinEventHook が特定のプロセス ID からのイベントをキャッチしない

Question

コンソール プロセスを作成し、SetWinEventHook でイベントを監視しようとしています。作成したプロセスに関連付けられた PID を使用すると、イベントをまったくキャッチしません。pid/thread を 0/0 (すべてのプロセス/スレッド) に設定すると、多くの結果が得られます。特定のプロセスにフックしようとしている方法に問題があるようです。どんなアイデアでも大歓迎です。

#include "stdafx.h"
#include <windows.h>
#include <Oleacc.h>


DWORD CreateChildProcess();
void InitializeMSAA(DWORD pid);
void ShutdownMSAA();
void SetConsoleBufferSize(DWORD processId, short columns, short rows);
void CALLBACK HandleWinEvent(HWINEVENTHOOK hook, DWORD event, HWND hwnd,
    LONG idObject, LONG idChild,
    DWORD dwEventThread, DWORD dwmsEventTime);

HWINEVENTHOOK g_hook;

int main()
{
    DWORD pid = CreateChildProcess();
    Sleep(5000);
    InitializeMSAA(pid);
    MSG msg;
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
}

// Initializes COM and sets up the event hook.
void InitializeMSAA(DWORD pid)
{
    // Initializes Component Object Model library
    CoInitialize(NULL);

    g_hook = SetWinEventHook(
        EVENT_MIN, EVENT_MAX,       // Range of events (Console).
        NULL,                                          // Handle to DLL.
        HandleWinEvent,                                // The callback.
        pid, 0,              // Process and thread IDs of interest (0 = all)
        WINEVENT_OUTOFCONTEXT); // Flags.

    //| WINEVENT_SKIPOWNPROCESS
}

// Unhooks the event and shuts down COM.
void ShutdownMSAA()
{
    UnhookWinEvent(g_hook);
    CoUninitialize();
}

// Callback function that handles events.
void CALLBACK HandleWinEvent(HWINEVENTHOOK hook, DWORD event, HWND hwnd,
    LONG idObject, LONG idChild,
    DWORD dwEventThread, DWORD dwmsEventTime)
{
    IAccessible * pAcc = NULL;
    VARIANT varChild;
    HRESULT hr = AccessibleObjectFromEvent(hwnd, idObject, idChild, &pAcc, &varChild);
    if ((hr == S_OK) && (pAcc != NULL))
    {
        BSTR bstrName;
        pAcc->get_accName(varChild, &bstrName);
        if (event == EVENT_SYSTEM_MENUSTART)
        {
            printf("Begin: ");
        }
        else if (event == EVENT_SYSTEM_MENUEND)
        {
            printf("End:   ");
        }
        printf("%S\n", bstrName);
        SysFreeString(bstrName);
        pAcc->Release();
    }
}

// Creates a bash child process with i/o to a given console screen buffer
DWORD CreateChildProcess()
{
    // In order to launch bash in System32, program must be built as x64
    LPCTSTR applicationAddress = L"C:\\Windows\\System32\\bash.exe";

    PROCESS_INFORMATION piProcInfo;
    STARTUPINFO siStartInfo;

    // Set up members of the PROCESS_INFORMATION structure.
    SecureZeroMemory(&piProcInfo, sizeof(PROCESS_INFORMATION));

    // Set up members of the STARTUPINFO structure.
    // This structure specifies the STDIN and STDOUT handles for redirection.
    SecureZeroMemory(&siStartInfo, sizeof(STARTUPINFO));
    siStartInfo.cb = sizeof(STARTUPINFO);

    // NB: Initial window size settings don't work for some reason.
    auto minX = GetSystemMetrics(SM_CXMIN);
    auto minY = GetSystemMetrics(SM_CYMIN);
    siStartInfo.dwXSize = 200;
    siStartInfo.dwYSize = 200;
    //siStartInfo.dwXCountChars = 119;
    //siStartInfo.dwYCountChars = 9;

    //siStartInfo.wShowWindow = SW_HIDE;
    siStartInfo.dwFlags = STARTF_USESTDHANDLES | STARTF_USESIZE;
    // | STARTF_USESHOWWINDOW | STARTF_USECOUNTCHARS 

    // Create the child process. 
    BOOL success = CreateProcess(
        applicationAddress, // absolute path to the application
        TEXT("-i"),         // command line 
        NULL,               // process security attributes 
        NULL,               // primary thread security attributes 
        TRUE,               // handles are inherited 
        CREATE_NEW_CONSOLE,               // creation flags 
        NULL,               // use parent's environment 
        NULL,               // use parent's current directory 
        &siStartInfo,       // STARTUPINFO pointer 
        &piProcInfo);       // receives PROCESS_INFORMATION 


    if (!success)
    {
        int lastError = GetLastError();
    }

    return piProcInfo.dwProcessId;
}