FLT_POSTOP_CALLBACK_STATUS PfltPostOperationCallbackDirectory(PFLT_CALLBACK_DATA Data, PCFLT_RELATED_OBJECTS FltObjects, PVOID CompletionContext, FLT_POST_OPERATION_FLAGS Flags)
{
	/*
	PFLT_FILE_NAME_INFORMATION stNameInfo;
	NTSTATUS lStatus = FltGetFileNameInformation(Data, FLT_FILE_NAME_NORMALIZED | FLT_FILE_NAME_QUERY_DEFAULT, &stNameInfo);
	if (!NT_SUCCESS(lStatus))
	{
		return FLT_POSTOP_FINISHED_PROCESSING;
	}
	lStatus = FltParseFileNameInformation(stNameInfo);

	if (!NT_SUCCESS(lStatus))
	{
		return FLT_POSTOP_FINISHED_PROCESSING;
	}	
	
	DbgPrint("文件名:%wZ 文件路径:%wZ", stNameInfo->Name, stNameInfo->ParentDir);
	FltReleaseFileNameInformation(stNameInfo);
	*/
	if (FlagOn(Flags, FLTFL_POST_OPERATION_DRAINING))
	{
		return FLT_POSTOP_FINISHED_PROCESSING;
	}
	PVOID pSafeBuffer;
	if (Data->Iopb->MinorFunction == IRP_MN_QUERY_DIRECTORY && Data->Iopb->Parameters.DirectoryControl.QueryDirectory.FileInformationClass == FileIdBothDirectoryInformation && Data->Iopb->Parameters.DirectoryControl.QueryDirectory.Length > 0 && NT_SUCCESS(Data->IoStatus.Status))
	{
		pSafeBuffer = Data->Iopb->Parameters.DirectoryControl.QueryDirectory.DirectoryBuffer;
		PFILE_ID_BOTH_DIR_INFORMATION pstCurrentFileInfo = (PFILE_ID_BOTH_DIR_INFORMATION)pSafeBuffer;
		PFILE_ID_BOTH_DIR_INFORMATION pstNextFileInfo;
		PFILE_ID_BOTH_DIR_INFORMATION pPrevFileInfo = pstCurrentFileInfo;
		int i = 0;
		do
		{
			DbgPrint("FileName:%ls", pstCurrentFileInfo->FileName);
			pstNextFileInfo = (PFILE_ID_BOTH_DIR_INFORMATION)((ULONG64)pstCurrentFileInfo + pstCurrentFileInfo->NextEntryOffset);
			if (wcsstr(pstCurrentFileInfo->FileName, L"AAAA.pak"))
			{
				DbgPrint("隐藏文件!");		
				if (i == 0)
				{
					Data->Iopb->Parameters.DirectoryControl.QueryDirectory.DirectoryBuffer = (PVOID)((ULONG64)pstCurrentFileInfo + pstCurrentFileInfo->NextEntryOffset);
				}
				if (pstCurrentFileInfo->NextEntryOffset == 0)
				{					
					pPrevFileInfo->NextEntryOffset = 0;
				}
				else
				{		
					pPrevFileInfo->NextEntryOffset = (ULONG)((ULONG64)pstCurrentFileInfo - (ULONG64)pPrevFileInfo) + pstCurrentFileInfo->NextEntryOffset;
				}
			}			
			pPrevFileInfo = pstCurrentFileInfo;
			pstCurrentFileInfo = pstNextFileInfo;
			i++;
		} while (pPrevFileInfo->NextEntryOffset != 0);
		FltSetCallbackDataDirty(Data);
	}
	return FLT_POSTOP_FINISHED_PROCESSING;
}