＊贴出源代码，100分纠错＊

NTSTATUS
NetdiskErrorEvent(
IN PVOID TdiEventContext,
IN NTSTATUS Status
)
{
DbgPrint("网络不通或网络出现故障。。。。n");
return STATUS_SUCCESS;
}

//---------------------------------

NTSTATUS
NetdiskSetEventHandler(
IN PDEVICE_EXTENSION pDeviceExt,
IN LONG EventType,
IN PVOID pEventHandler
)
{
NTSTATUS status;
PIRP pIrp;
PDEVICE_OBJECT pDeviceObject;
KEVENT Event;
IO_STATUS_BLOCK IoStatus;

pDeviceObject = IoGetRelatedDeviceObject(pDeviceExt->pEndPointObject);

KeInitializeEvent(&Event, NotificationEvent, FALSE);

pIrp = TdiBuildInternalDeviceControlIrp(
TDI_SET_EVENT_HANDLER,
pDeviceObject,
pDeviceExt->pEndPointObject,
&Event,
&IoStatus
);

if( pIrp == NULL )
{
status = STATUS_INSUFFICIENT_RESOURCES;
DbgPrint("Insufficient Resourcesn");
return status;
}

TdiBuildSetEventHandler(
pIrp,
pDeviceObject,
pDeviceExt->pEndPointObject,
NULL,
NULL,
EventType,
pEventHandler,
NULL
);

status = IoCallDriver(pDeviceObject, pIrp);

if( status == STATUS_PENDING )
{
DbgPrint("step1n");
status = KeWaitForSingleObject( &Event, UserRequest, KernelMode, FALSE, NULL);
}

if( !NT_SUCCESS(status) )
{
DbgPrint("Fail To SetEventHandler n");
return status;
}

DbgPrint("Success to SetEventHandlern");

return IoStatus.Status;
}

//---------------------------------

status = NetdiskSetEventHandler(
pDeviceExt,
TDI_EVENT_DISCONNECT,
NetdiskDisconnectEvent
);
if( !NT_SUCCESS(status) )
{
return status;
}

//_________________________________________
为什么总老是 Fail To SetEventHandler !


[编辑 -  3/19/04 by  Zhujnt]

谢谢各位，我已经搞定了

嘿，你要看看KeWaitForSingleObject的返回值是什么啊！也许是pending呢！

status 的值是多少啊？