Simultaneous Access for Multiple Applications (Windows Embedded CE 6.0)

1/6/2010

NDISUIO does not support packet replication of packets received for multiple applications. Hence, if you want simultaneous access to the adapter for a different application, the new application can perform only those operations that do not require packet replication.

Operations that require a read require IOCTL_NDISUIO_OPEN_DEVICE, but you can use IOCTL_NDISUIO_OPEN_WRITE_DEVICE to send packets.

The following table shows the operations that applications other than the initiating application can perform simultaneously.

Operation	Description
WriteFile	Sends packets through bound miniport.
IOCTL_NDISUIO_CANCEL_NOTIFICATION	Cancels device event notification.
IOCTL_NDISUIO_NIC_STATISTICS	Returns NIC information.
IOCTL_NDISUIO_QUERY_OID_VALUE	Retrieves NDIS object identifier values.
IOCTL_NDISUIO_REQUEST_NOTIFICATION	Initiates device event notification.
IOCTL_NDISUIO_SET_OID_VALUE	Sets NDIS object identifier values.

See Also

Concepts

NDISUIO Implementation