Directives 

PROCESS EVENT

Generate Internal Event

Format

Generate Internal Event:

PROCESS EVENT eventname$ [,arglist,...] [,ERR=stmtref ]

Where:

eventname$

Name of the event being generated.

arglist

Optional parameters to be passed to the event handler.

stmtref

Program line number or statement label to which to transfer control.

Description

This directive will cause the system to execute the actions assigned to the event named in eventname$. It will also pass any parameters (values, variables or expressions) supplied in the arglist to the action processing logic.

An optional ERR= branch may be supplied to trap any errors which may occur or be returned by the event actions.

(The PROCESS EVENT directive was added in PxPlus v11.00.)

System Defined Events

The following table lists the PROCESS EVENTS currently implemented within the PxPlus environment (as of PxPlus 2014):

Event Name

Arguments Passed

Description

FileOpen

Path$, Channel

Generated when a data file is opened

FileClose

Path$, Channel

Generated when a data file is closed

FileErase

Path$

Generated when a file is erased

FilePurge

Path$

Generated when a file is cleared as a result of a REFILE or PURGE directive

FileRename

OldName$, NewName$

Generated when a file is renamed

SentEMail

To$, Subject$

Generated when an email is sent by *WEB/MAIL or *WEB/EMAIL

UserLogon

Userid$

User logon completed

UserLogoff

Userid$

User has logged off

NomadsQuery

Query_info$, ControlName$, Ctlid, Tag$

Generated when NOMADS is about to run a query

NomadsPreLoad

Screen$, Library$

Before load of panel (Handler can change values)

NomadsPostLoad

Screen$, Library$

After load of panel

NomadsEndPanel

Screen$, Library$

End of panel

NomadsPanelReplace

Screen$, Library$, NewScreen$, NewLib$

Replacement panel requested (Handler can change values)

See Also

Event Handling
ON PROCESS EVENT Define Internal Event Logic