ACTION_HEADER

Overview

Group

Quick Info

Windows NT
Yes
Win95
Yes
Win32s
No
Import Library
-
Header File
nb30.h
Unicode
No
Platform Notes
None

The ACTION_HEADER structure contains information about an action. This action is an extension to the standard transport interface.

typedef struct _ACTION_HEADER {

ULONG transport_id;

USHORT action_code;

USHORT reserved;

} ACTION_HEADER;

Members
transport_id

Specifies the transport provider. This member can be used to check the validity of the request by the transport.

This member is always a four-character string. All strings starting with the letter M are reserved, as shown in the following example:

action_code

Specifies the action.

reserved

Reserved.

Remarks
The scope of the action is determined by the ncb_lsn and ncb_num members of the NCB structure, as follows:

	ncb_lsn = 0	ncb_lsn != 0
ncb_num = 0	Action applies to control channel associated with the valid LAN adapter.	Action applies to connection identifier associated with the valid local session number.
ncb_num != 0	Action applies to address associated with the valid LAN adapter.	Illegal combination.