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— EntireX Broker ActiveX Control —

Reference - Broker ActiveX Control

This document covers the following topics:

Methods of Broker ActiveX Control
Properties of Broker ActiveX Control

Methods of Broker ActiveX Control

This section describes the methods of Broker ActiveX Control.

Broker ACI

The following methods are useful for writing applications using the native interface.

Method	Description
`BSTR GetReceiveData()`	Return the received data inner string
`BSTR GetErrorText()`	Return the last received error message.
`BOOL SetSendDataLong(String, Long)` or `BOOL SetSendData (String, Short)`	Copy user's data buffer into the send buffer.
`BOOL InvokeBrokerFunction()`	Invoke the broker function call. Set the properties `Function` and `Option`.

Transaction Objects

Method	Description
`Bool DefineTOMethods(String)`	Starts the TO editor. If you specify a valid TOR name, this TO is then loaded into the editor. If a valid TOR name is not specified, the currently loaded TO will be displayed or an empty editor will be started.
`Bool LoadTransObject(String)`	Loads and initializes a transaction object. You must specify a valid TOR file name; otherwise FALSE will be returned.
`Object CreateTransObject(String)`	Loads and initializes a transaction object. You must specify a valid TOR file name. An object reference will be returned, which can be used to call the methods defined in the TO. If loading fails, a null reference will be returned.
`Object CreateTransObjectSA(String)`	This method uses the safe array implementation for arrays instead of the collection implementation. If you experience problems accessing arrays with an automation controller, try using this method to instantiate a TOR object.

Properties of Broker ActiveX Control

Most properties of Broker ActiveX Control correspond to the Broker ACI fields. The properties must be set to the appropriate values before using any function.

If transaction object repository (TOR) files are used, it will not be necessary to set all the properties. See section Transaction Objects in Broker ActiveX Control. The properties can also be supplied by means of the property pages (see Using the Property Pages in section Writing Applications - Broker ActiveX Control).

Property Name Broker ACI Field Format Length API Version Description

AdapterError not used String 8 2

AdCount not used Long 2

APIVersion

API-VERSION

Short

Possible values: 1, 2, 3, 4, 5, 6, 7, 8, 9.

The default is 2. This value can be changed dynamically by setting the property. If the current value of the Function or Option property requires a minimal API version, the value of APIVersion will be adjusted automatically.

BrokerID BROKER-ID String 32 1 Target Broker ID. See Using the Broker ID in Applications and details on TCP/IP in Transport Methods for client and server | publish and subscribe.

BrokerSecurity KERNELSECURITY String 1 7

ClientUserid CLIENT-UID String 32 2 The partner's user ID.

CommitTime COMMITTIME String 17 7 Readonly property.
Time when UOW was committed.
Format: YYYYMMDDHHMMSSms
ms = milliseconds in Possible Values field.

CompressLevel

COMPRESSLEVEL

String

Compression level. Possible values: N/Y/0-9.

The first character of the string will be used as the compression value. If you type YES, the character Y will be used and ES will be cut off. Example: Broker1.CompressLevel = "6".

See also Data Compression for client and server | publish and subscribe.

ConvID CONV-ID String 16 1 Conversation ID, see Managing Conversation Contexts.

ConvStatus

CONV-STAT

Short

Contains the status of the conversation when the RECEIVE function is complete. See Managing Conversation Contexts. Possible values:
1	NEW
2	OLD
3	NONE

EncryptionLevel ENCRYPTION-LEVEL Short 6 Possible values: 0, 1, 2. See Encryption under Writing Applications using EntireX Security.

Environment ENVIRONMENT String 32 1

ErrorCode ERROR-CODE String 8 1 Broker error code, see Error Handling for client and server | publish and subscribe.

ErrorMsg not used String 40 1 Contains the error message to the corresponding error code.

ForceLogon FORCE-LOGON Boolean 6 Possible values: Y, N.

Function

`FUNCTION` Possible values:
1	`SEND`
2	`RECEIVE`
4	`UNDO`
5	`EOC`
6	`REGISTER`
7	`DEREGISTER`
8	`VERSION`
9	`LOGON`
10	`LOGOFF`
13	`SYNCPOINT`
14	`KERNELVERS`
17	`SEND_PUBLICATION`
18	`RECEIVE_PUBLICATION`
19	`SUBSCRIBE`
20	`UNSUBSCRIBE`
21	`CONTROL_PUBLICATION`

Short

The functions to be performed by Broker.

LocaleString LOCALE-STRING String 40 4 For sending locale strings to the broker (see Using Internationalization in Writing Applications - Broker ActiveX Control).

MessageId not used String 32 2

MessageType not used String 32 2

NewPassword NEWPASSWORD String 32 2

Option

`OPTION` Possible values:
0	NULL
1	`MSG`
2	`HOLD`
3	`IMMED`
4	`QUIESCE`
5	`EOC`
6	`CANCEL`
7	`LAST`
8	`NEXT`
9	`PREVIEW`
10	`COMMIT`
11	`BACKOUT`
12	`SYNC`
13	`ATTACH`
14	`DELETE`
15	`EOCCANCEL`
16	`QUERY`
17	`SETUSTATUS`
18	`ANY`
19	no longer used
20	`DURABLE`
21	`CHECKSERVICE`

Short

Password PASSWORD String 32 1

ReceiveBufferLength RECEIVE-LENGTH Long 3 Length of the receive buffer.

ReceiveBufferSize RECEIVE-LENGTH Short 1 This is an old property. Can be used instead of ReceiveBufferLength - for buffers with less than 32 KB only.

ReturnDataLength RETURN-LENGTH Long 3 Length of returned data.

ReturnLength RETURN-LENGTH Short 1 This is an old property. Can be used instead of ReturnDataLength - for buffers with less than 32 KB only.

SecurityToken SECURITY-TOKEN String 32 2 This is handled automatically, but can be filled in by the user if required.

SendBufferSize Short 1 No longer used.

ServerClass SERVER-CLASS String 32 1 These three Broker parameters form the target service.

ServerName SERVER-NAME String 32 1

Service SERVICE String 32 1

Store

STORE

Short

Possible values:
0	NULL
1	OFF
2	BROKER

Token TOKEN String 32 1

UOWID UOWID String 16 3

UOWStatus

`UOWSTATUS` Possible values:
0	NONE
1	RECEIVED
2	ACCEPTED
3	DELIVERED
4	BACKEDOUT
5	PROCESSED
6	CANCELLED
7	TIMEOUT
8	DISCARDED
9	FIRST
10	MIDDLE
11	LAST
12	ONLY

Short

UOWStatusPersist UOW-STATUS-PERSIST Short 3

UOWTime UWTIME String 8 3

UserData USER-DATA String 16 2 This field is not converted by the Broker. If the field contains H'00', only the data up to the first H'00' will be sent.

UserID USER-ID String 32 1 User ID.

UserStatus USTATUS String 32 3

Wait WAIT String 8 1 Possible values: Yes No <n>S - waiting n Seconds (max 99999) <n>M - waiting n Minutes (Max 99999) <n>H - waiting n Hours (max 99999). See Blocked and Non-blocked Broker Calls.

Topic String 8 Required for handling with publish and subscribe.

PublicationID String 16 8 Required for handling with publish and subscribe.

UOWStatusLife String 8 8

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