Hp NonStop G-Series Manual de usuario descargar pdf (Pagina 117)

User Hook Library

Extending the Tandem DDE Gateway

110838 Tandem Computers Incorporated 8–15

pbConvertWithOnlyHookCode Zero = Convert with built-in automatic data

conversion functions

Non-zero = Convert with User Hook Library

functions.

pstructErrMsg See “Returning Error Messages” topic.

TdmgwHookPostReplyMessage

This function may be called when your client application does a DDE Execute function

with a SEND command.

You must enable the function with TdmgwHookEnableUserHooks function by

returning a value with the TDMGW_HOOK_ENABLE_POST_REP_MSG bit set.

The function is called immediately after the reply data is returned to the Tandem DDE

Gateway from the Tandem server.

Prototype

BOOL FAR PASCAL TdmgwHookPostReplyMessage

(HWND hMainWnd, in

unsigned long ulInitializeServiceSerialNumber, in

LPSTR lpServiceName, in

char far * lpBufferStartAddress, in/out

unsigned int uBufferLength, in

struct tagTdmgwErrorMsg far * pstructErrMsg); out

Parameters

Return Value Zero = Error. Non-zero = No error.

hMainWnd Window handle of Tandem DDE Gateway main

window.

ulInitializeServiceSerialNumber Number incremented with each

INITIALIZESERVICE command. Starts at zero

when the Gateway is started. Rolls over to zero after

4,294,967,295.

lpServiceName Current ServiceName object (from

INITIALIZESERVICE command).

lpBufferStartAddress Address of start of the message buffer containing the

message data exactly as it returned from the Tandem

server.

uBufferLength Length of the message buffer as configured for the

ServiceName object (MaxReplyLength attribute).

pstructErrMsg See “Returning Error Messages”

earlier in this section.

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Hp NonStop G-Series Manual de usuario Pagina 117