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向应用程序提供Flash读写接口

网上一牛人写了一篇文章,介绍应用程序如何操作flash的:http://blog.csdn.net/nanjianhui/archive/2008/03/19/2196466.aspx
由于客户的要求,需要向系统flash中写入产品序列号,我想采用向应用程序提供接口的方法来实现。按照上述文章的做法做好之后,在非multi-bin的系统下,CreateFile(_T("DSK0:"),...)是没有任何问题的,但是如果是在multi-bin的系统下,则得不到句柄,经过大量的实验方法得知,在multi-bin系统下,用hFlash = OpenStore(L"MSFlash");方能打开,这是什么原因呢?
     查看MSDN得知,OpenStore是微软提供的一个关于StorageManager 的api,在ARMCE论坛的Walle大哥的帮助下,追踪了OpenStore:
HANDLE WINAPI STG_OpenStore(LPCTSTR szDeviceName, HANDLE hProc)
{
    HANDLE hStore = INVALID_HANDLE_VALUE;
    DEBUGMSG( ZONE_STOREAPI, (L"FSDMGR:STG_OpenStore(%s)\r\n", szDeviceName));
    STOREHANDLE *pStoreHandle = new STOREHANDLE;
    // NOTE: szDeviceName pointer was already mapped by filesys
    if (pStoreHandle) {
        LockStoreMgr();
        pStoreHandle->pStore = g_pStoreRoot;
        pStoreHandle->pPartition = INVALID_PARTITION;
        pStoreHandle->pNext = NULL;
        pStoreHandle->dwFlags = 0;
        pStoreHandle->hProc = hProc;
        pStoreHandle->dwSig = STORE_HANDLE_SIG;
        if (hProc == reinterpret_cast<HANDLE> (GetCurrentProcessId())) {
            pStoreHandle->dwFlags |= STOREHANDLE_TYPE_INTERNAL;
        }
        __try {
            while(pStoreHandle->pStore && (pStoreH


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