FPCM_GET_MENU
FPCM_PUT_MENU

struct SFPCGetMenu
{    
    // [out]
    VARIANT_BOOL Menu;

    // [out]
    HRESULT hr;
};


struct SFPCPutMenu
{
    // [in]
    VARIANT_BOOL Menu;

    // [out]
    HRESULT hr;
};

void GetMenu(HWND hwndFlashPlayerControl)
{
    SFPCGetMenu info;

    ::SendMessage(hwndFlashPlayerControl, FPCM_GET_MENU, 0, (LPARAM)&info);

    if FAILED(info.hr)
        // Error
    {
        // ...
    }
    else
        // OK
    {
        TCHAR lpszBuffer[1024];
        wsprintf(lpszBuffer, _T("%d"), info.Menu);

        ::MessageBox(NULL, lpszBuffer, _T("Result"), MB_OK);
    }
}


void PutMenu(HWND hwndFlashPlayerControl, VARIANT_BOOL Menu)
{
    SFPCPutMenu info;

    info.Menu = Menu;

    ::SendMessage(hwndFlashPlayerControl, FPCM_PUT_MENU, 0, (LPARAM)&info);

    if FAILED(info.hr)
        // Error
    {
        // ...
    }
    else
        // OK
    {
        // ...
    }
}